22097515272 has 64 divisors (see below), whose sum is σ = 64604052480. Its totient is φ = 6166746432.

The previous prime is 22097515243. The next prime is 22097515273. The reversal of 22097515272 is 27251579022.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (22097515273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522228 + ... + 1536675.

It is an arithmetic number, because the mean of its divisors is an integer number (1009438320).

Almost surely, 2^22097515272 is an apocalyptic number.

It is an amenable number.

22097515272 is an abundant number, since it is smaller than the sum of its proper divisors (42506537208).

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

22097515272 is a wasteful number, since it uses less digits than its factorization.

22097515272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058962 (or 3058958 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 22097515272 in words is "twenty-two billion, ninety-seven million, five hundred fifteen thousand, two hundred seventy-two".