22727974564 has 27 divisors (see below), whose sum is σ = 40743684513. Its totient is φ = 11093376672.

The previous prime is 22727974537. The next prime is 22727974573. The reversal of 22727974564 is 46547972722.

The square root of 22727974564 is 150758.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 643636900 + 22084337664 = 25370^2 + 148608^2 .

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 12964312 + ... + 12966064.

Almost surely, 2^22727974564 is an apocalyptic number.

22727974564 is the 150758-th square number.

It is an amenable number.

22727974564 is a deficient number, since it is larger than the sum of its proper divisors (18015709949).

22727974564 is an frugal number, since it uses more digits than its factorization.

22727974564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596 (or 1798 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 55.

The spelling of 22727974564 in words is "twenty-two billion, seven hundred twenty-seven million, nine hundred seventy-four thousand, five hundred sixty-four".