22207156657 has 16 divisors (see below), whose sum is σ = 25458015232. Its totient is φ = 18975986640.

The previous prime is 22207156637. The next prime is 22207156669. The reversal of 22207156657 is 75665170222.

It is a cyclic number.

It is not a de Polignac number, because 22207156657 - 2¹⁵ = 22207123889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22207156637) by changing a digit.

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, 3989158 + ... + 3994720.

It is an arithmetic number, because the mean of its divisors is an integer number (1591125952).

Almost surely, 2^22207156657 is an apocalyptic number.

It is an amenable number.

22207156657 is a deficient number, since it is larger than the sum of its proper divisors (3250858575).

22207156657 is a wasteful number, since it uses less digits than its factorization.

22207156657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7228.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 22207156657 in words is "twenty-two billion, two hundred seven million, one hundred fifty-six thousand, six hundred fifty-seven".