22366038272 has 36 divisors (see below), whose sum is σ = 44741788476. Its totient is φ = 11158702080.

The previous prime is 22366038269. The next prime is 22366038301. The reversal of 22366038272 is 27283066322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14060267776 + 8305770496 = 118576^2 + 91136^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23258 + ... + 212774.

Almost surely, 2^22366038272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22366038272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22370894238).

22366038272 is an abundant number, since it is smaller than the sum of its proper divisors (22375750204).

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

22366038272 is an equidigital number, since it uses as much as digits as its factorization.

22366038272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189994 (or 189980 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 22366038272 in words is "twenty-two billion, three hundred sixty-six million, thirty-eight thousand, two hundred seventy-two".