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2228464400 = 2452192910111
BaseRepresentation
bin1000010011010011…
…1010101100010000
312202022020201110112
42010310322230100
514030441330100
61005043420452
7106136430521
oct20464725420
95668221415
102228464400
11a43a01318
12522384728
132968b96b6
14171d6a848
15d0990b35
hex84d3ab10

2228464400 has 120 divisors (see below), whose sum is σ = 5830579200. Its totient is φ = 815270400.

The previous prime is 2228464393. The next prime is 2228464409. The reversal of 2228464400 is 44648222.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2228464409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215345 + ... + 225455.

It is an arithmetic number, because the mean of its divisors is an integer number (48588160).

Almost surely, 22228464400 is an apocalyptic number.

2228464400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2228464400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2915289600).

2228464400 is an abundant number, since it is smaller than the sum of its proper divisors (3602114800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2228464400 is a wasteful number, since it uses less digits than its factorization.

2228464400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10177 (or 10166 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 2228464400 is about 47206.6139433872. The cubic root of 2228464400 is about 1306.1766030965.

The spelling of 2228464400 in words is "two billion, two hundred twenty-eight million, four hundred sixty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 29 38 40 50 58 76 80 95 100 116 145 152 190 200 232 290 304 380 400 464 475 551 580 725 760 950 1102 1160 1450 1520 1900 2204 2320 2755 2900 3800 4408 5510 5800 7600 8816 10111 11020 11600 13775 20222 22040 27550 40444 44080 50555 55100 80888 101110 110200 161776 192109 202220 220400 252775 293219 384218 404440 505550 586438 768436 808880 960545 1011100 1172876 1466095 1536872 1921090 2022200 2345752 2932190 3073744 3842180 4044400 4691504 4802725 5571161 5864380 7330475 7684360 9605450 11142322 11728760 14660950 15368720 19210900 22284644 23457520 27855805 29321900 38421800 44569288 55711610 58643800 76843600 89138576 111423220 117287600 139279025 222846440 278558050 445692880 557116100 1114232200 2228464400