22107210656 has 48 divisors (see below), whose sum is σ = 46093852224. Its totient is φ = 10415184384.

The previous prime is 22107210649. The next prime is 22107210667. The reversal of 22107210656 is 65601270122.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174845 + ... + 273468.

It is an arithmetic number, because the mean of its divisors is an integer number (960288588).

Almost surely, 2^22107210656 is an apocalyptic number.

It is an amenable number.

22107210656 is an abundant number, since it is smaller than the sum of its proper divisors (23986641568).

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

22107210656 is a wasteful number, since it uses less digits than its factorization.

22107210656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448413 (or 448405 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 22107210656 its reverse (65601270122), we get a palindrome (87708480778).

The spelling of 22107210656 in words is "twenty-two billion, one hundred seven million, two hundred ten thousand, six hundred fifty-six".