22851655290 has 48 divisors (see below), whose sum is σ = 61997539968. Its totient is φ = 5828827488.

The previous prime is 22851655279. The next prime is 22851655297. The reversal of 22851655290 is 9255615822.

22851655290 is a `hidden beast` number, since 2 + 2 + 8 + 5 + 1 + 6 + 552 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (22851655297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5517654 + ... + 5521793.

It is an arithmetic number, because the mean of its divisors is an integer number (1291615416).

Almost surely, 2^22851655290 is an apocalyptic number.

22851655290 is an abundant number, since it is smaller than the sum of its proper divisors (39145884678).

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

22851655290 is a wasteful number, since it uses less digits than its factorization.

22851655290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11039483 (or 11039480 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 22851655290 in words is "twenty-two billion, eight hundred fifty-one million, six hundred fifty-five thousand, two hundred ninety".