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22285260140 = 2251113101179431
BaseRepresentation
bin10100110000010011…
…100001010101101100
32010112002122111211012
4110300103201111230
5331120011311030
614123202244352
71416151404623
oct246023412554
963462574735
1022285260140
1194a64a2870
12439b3566b8
132141c8b980
1411159d86ba
158a66ca095
hex5304e156c

22285260140 has 192 divisors, whose sum is σ = 55964805120. Its totient is φ = 7347840000.

The previous prime is 22285260139. The next prime is 22285260143. The reversal of 22285260140 is 4106258222.

It is a junction number, because it is equal to n+sod(n) for n = 22285260097 and 22285260106.

It is not an unprimeable number, because it can be changed into a prime (22285260143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51705725 + ... + 51706155.

It is an arithmetic number, because the mean of its divisors is an integer number (291483360).

Almost surely, 222285260140 is an apocalyptic number.

22285260140 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 22285260140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27982402560).

22285260140 is an abundant number, since it is smaller than the sum of its proper divisors (33679544980).

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

22285260140 is a wasteful number, since it uses less digits than its factorization.

22285260140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 22285260140 in words is "twenty-two billion, two hundred eighty-five million, two hundred sixty thousand, one hundred forty".