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1222424304 = 243175925391
BaseRepresentation
bin100100011011100…
…1011011011110000
310011012012120220020
41020313023123300
510000420034204
6321144443440
742202302153
oct11067133360
93135176806
101222424304
11578032522
122a1479580
131663461ba
14b84c9c9a
15724b9bd9
hex48dcb6f0

1222424304 has 80 divisors (see below), whose sum is σ = 3400496640. Its totient is φ = 376990720.

The previous prime is 1222424303. The next prime is 1222424369. The reversal of 1222424304 is 4034242221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222424303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35449 + ... + 60839.

It is an arithmetic number, because the mean of its divisors is an integer number (42506208).

Almost surely, 21222424304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222424304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700248320).

1222424304 is an abundant number, since it is smaller than the sum of its proper divisors (2178072336).

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

1222424304 is a wasteful number, since it uses less digits than its factorization.

1222424304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25478 (or 25472 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1222424304 is about 34963.1849807766. The cubic root of 1222424304 is about 1069.2370325913.

Adding to 1222424304 its reverse (4034242221), we get a palindrome (5256666525).

The spelling of 1222424304 in words is "one billion, two hundred twenty-two million, four hundred twenty-four thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 59 68 102 118 136 177 204 236 272 354 408 472 708 816 944 1003 1416 2006 2832 3009 4012 6018 8024 12036 16048 24072 25391 48144 50782 76173 101564 152346 203128 304692 406256 431647 609384 863294 1218768 1294941 1498069 1726588 2589882 2996138 3453176 4494207 5179764 5992276 6906352 8988414 10359528 11984552 17976828 20719056 23969104 25467173 35953656 50934346 71907312 76401519 101868692 152803038 203737384 305606076 407474768 611212152 1222424304