22091252 has 12 divisors (see below), whose sum is σ = 39315360. Its totient is φ = 10858296.

The previous prime is 22091239. The next prime is 22091273. The reversal of 22091252 is 25219022.

It is a congruent number.

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, 46568 + ... + 47039.

It is an arithmetic number, because the mean of its divisors is an integer number (3276280).

Almost surely, 2^22091252 is an apocalyptic number.

It is an amenable number.

22091252 is a deficient number, since it is larger than the sum of its proper divisors (17224108).

22091252 is a wasteful number, since it uses less digits than its factorization.

22091252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93670 (or 93668 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 22091252 is about 4700.1331896022. The cubic root of 22091252 is about 280.5908103148.

The spelling of 22091252 in words is "twenty-two million, ninety-one thousand, two hundred fifty-two".