22922356561 has 16 divisors (see below), whose sum is σ = 26026215040. Its totient is φ = 20013557760.

The previous prime is 22922356559. The next prime is 22922356573. The reversal of 22922356561 is 16565322922.

It is a cyclic number.

It is not a de Polignac number, because 22922356561 - 2¹ = 22922356559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22922351561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82321 + ... + 229393.

It is an arithmetic number, because the mean of its divisors is an integer number (1626638440).

Almost surely, 2^22922356561 is an apocalyptic number.

It is an amenable number.

22922356561 is a deficient number, since it is larger than the sum of its proper divisors (3103858479).

22922356561 is a wasteful number, since it uses less digits than its factorization.

22922356561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147736.

The product of its digits is 388800, while the sum is 43.

The spelling of 22922356561 in words is "twenty-two billion, nine hundred twenty-two million, three hundred fifty-six thousand, five hundred sixty-one".