22656857870 has 32 divisors (see below), whose sum is σ = 41898080736. Its totient is φ = 8814960000.

The previous prime is 22656857837. The next prime is 22656857891. The reversal of 22656857870 is 7875865622.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1416920 + ... + 1432820.

It is an arithmetic number, because the mean of its divisors is an integer number (1309315023).

Almost surely, 2^22656857870 is an apocalyptic number.

22656857870 is a deficient number, since it is larger than the sum of its proper divisors (19241222866).

22656857870 is a wasteful number, since it uses less digits than its factorization.

22656857870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19796.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 22656857870 in words is "twenty-two billion, six hundred fifty-six million, eight hundred fifty-seven thousand, eight hundred seventy".