22739890304 has 32 divisors (see below), whose sum is σ = 45341710140. Its totient is φ = 11360010240.

The previous prime is 22739890301. The next prime is 22739890339. The reversal of 22739890304 is 40309893722.

It can be written as a sum of positive squares in 2 ways, for example, as 21374440000 + 1365450304 = 146200^2 + 36952^2 .

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

It is a super-2 number, since 2×22739890304² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22739890301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70544 + ... + 224624.

Almost surely, 2^22739890304 is an apocalyptic number.

It is an amenable number.

22739890304 is a deficient number, since it is larger than the sum of its proper divisors (22601819836).

22739890304 is a wasteful number, since it uses less digits than its factorization.

22739890304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155248 (or 155236 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 22739890304 in words is "twenty-two billion, seven hundred thirty-nine million, eight hundred ninety thousand, three hundred four".