22564230872 has 8 divisors (see below), whose sum is σ = 42307932900. Its totient is φ = 11282115432.

The previous prime is 22564230853. The next prime is 22564230877. The reversal of 22564230872 is 27803246522.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22564230877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410264422 + ... + 1410264437.

Almost surely, 2^22564230872 is an apocalyptic number.

It is an amenable number.

22564230872 is a deficient number, since it is larger than the sum of its proper divisors (19743702028).

22564230872 is a wasteful number, since it uses less digits than its factorization.

22564230872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820528865 (or 2820528861 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 22564230872 in words is "twenty-two billion, five hundred sixty-four million, two hundred thirty thousand, eight hundred seventy-two".