22651385984 has 32 divisors (see below), whose sum is σ = 45140655900. Its totient is φ = 11321966592.

The previous prime is 22651385957. The next prime is 22651386011. The reversal of 22651385984 is 48958315622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22651385957) and next prime (22651386011).

It can be written as a sum of positive squares in 2 ways, for example, as 19387777600 + 3263608384 = 139240^2 + 57128^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×22651385984³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384272 + ... + 439280.

Almost surely, 2^22651385984 is an apocalyptic number.

It is an amenable number.

22651385984 is a deficient number, since it is larger than the sum of its proper divisors (22489269916).

22651385984 is an equidigital number, since it uses as much as digits as its factorization.

22651385984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58240 (or 58228 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 53.

The spelling of 22651385984 in words is "twenty-two billion, six hundred fifty-one million, three hundred eighty-five thousand, nine hundred eighty-four".