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2212241340 = 223536870689
BaseRepresentation
bin1000001111011100…
…0001111110111100
312201011201111121110
42003313001332330
514012313210330
61003304002020
7105551512131
oct20367017674
95634644543
102212241340
11a35830731
12518a60310
1329342945a
1416db46588
15ce338db0
hex83dc1fbc

2212241340 has 24 divisors (see below), whose sum is σ = 6194275920. Its totient is φ = 589931008.

The previous prime is 2212241329. The next prime is 2212241347. The reversal of 2212241340 is 431422122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212241347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18435285 + ... + 18435404.

It is an arithmetic number, because the mean of its divisors is an integer number (258094830).

Almost surely, 22212241340 is an apocalyptic number.

2212241340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212241340 is an abundant number, since it is smaller than the sum of its proper divisors (3982034580).

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

2212241340 is a wasteful number, since it uses less digits than its factorization.

2212241340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36870701 (or 36870699 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2212241340 is about 47034.4697004229. The cubic root of 2212241340 is about 1302.9992564923. Note that the first 3 decimals are identical.

Adding to 2212241340 its reverse (431422122), we get a palindrome (2643663462).

The spelling of 2212241340 in words is "two billion, two hundred twelve million, two hundred forty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 36870689 73741378 110612067 147482756 184353445 221224134 368706890 442448268 553060335 737413780 1106120670 2212241340