22952390 has 16 divisors (see below), whose sum is σ = 43111008. Its totient is φ = 8781696.

The previous prime is 22952389. The next prime is 22952443. The reversal of 22952390 is 9325922.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49667 + ... + 50126.

It is an arithmetic number, because the mean of its divisors is an integer number (2694438).

Almost surely, 2^22952390 is an apocalyptic number.

22952390 is a deficient number, since it is larger than the sum of its proper divisors (20158618).

22952390 is a wasteful number, since it uses less digits than its factorization.

22952390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99823.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 22952390 is about 4790.8652663167. The cubic root of 22952390 is about 284.1903356111.

The spelling of 22952390 in words is "twenty-two million, nine hundred fifty-two thousand, three hundred ninety".