22339236864 has 528 divisors, whose sum is σ = 74932383744. Its totient is φ = 5782487040.

The previous prime is 22339236853. The next prime is 22339236919. The reversal of 22339236864 is 46863293322.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (2239488) is a multiple of the sum of its prime factors (162).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 475302889 + ... + 475302935.

Almost surely, 2^22339236864 is an apocalyptic number.

22339236864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22339236864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37466191872).

22339236864 is an abundant number, since it is smaller than the sum of its proper divisors (52593146880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22339236864 is a wasteful number, since it uses less digits than its factorization.

22339236864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 113 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 48.

The spelling of 22339236864 in words is "twenty-two billion, three hundred thirty-nine million, two hundred thirty-six thousand, eight hundred sixty-four".