22240966564 has 6 divisors (see below), whose sum is σ = 38921691494. Its totient is φ = 11120483280.

The previous prime is 22240966543. The next prime is 22240966571. The reversal of 22240966564 is 46566904222.

It can be written as a sum of positive squares in only one way, i.e., 21197030464 + 1043936100 = 145592^2 + 32310^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780120817 + ... + 2780120824.

Almost surely, 2^22240966564 is an apocalyptic number.

It is an amenable number.

22240966564 is a deficient number, since it is larger than the sum of its proper divisors (16680724930).

22240966564 is a wasteful number, since it uses less digits than its factorization.

22240966564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560241645 (or 5560241643 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 22240966564 in words is "twenty-two billion, two hundred forty million, nine hundred sixty-six thousand, five hundred sixty-four".