22651378964 has 48 divisors (see below), whose sum is σ = 41903769600. Its totient is φ = 10699603200.

The previous prime is 22651378963. The next prime is 22651378973. The reversal of 22651378964 is 46987315622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22651378963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858854 + ... + 884834.

It is an arithmetic number, because the mean of its divisors is an integer number (872995200).

Almost surely, 2^22651378964 is an apocalyptic number.

It is an amenable number.

22651378964 is a deficient number, since it is larger than the sum of its proper divisors (19252390636).

22651378964 is a wasteful number, since it uses less digits than its factorization.

22651378964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26184 (or 26182 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The spelling of 22651378964 in words is "twenty-two billion, six hundred fifty-one million, three hundred seventy-eight thousand, nine hundred sixty-four".