23220952 has 16 divisors (see below), whose sum is σ = 43859160. Its totient is φ = 11525184.

The previous prime is 23220949. The next prime is 23220959. The reversal of 23220952 is 25902232.

It is a super-2 number, since 2×23220952² = 1078425223572608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9498 + ... + 11689.

Almost surely, 2^23220952 is an apocalyptic number.

It is an amenable number.

23220952 is a deficient number, since it is larger than the sum of its proper divisors (20638208).

23220952 is a wasteful number, since it uses less digits than its factorization.

23220952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21330 (or 21326 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 23220952 is about 4818.8123018022. The cubic root of 23220952 is about 285.2944612276.

The spelling of 23220952 in words is "twenty-three million, two hundred twenty thousand, nine hundred fifty-two".