23221208 has 16 divisors (see below), whose sum is σ = 44362080. Its totient is φ = 11391328.

The previous prime is 23221193. The next prime is 23221223. The reversal of 23221208 is 80212232.

It is an interprime number because it is at equal distance from previous prime (23221193) and next prime (23221223).

It is a self number, because there is not a number n which added to its sum of digits gives 23221208.

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, 26960 + ... + 27807.

It is an arithmetic number, because the mean of its divisors is an integer number (2772630).

Almost surely, 2^23221208 is an apocalyptic number.

It is an amenable number.

23221208 is a deficient number, since it is larger than the sum of its proper divisors (21140872).

23221208 is a wasteful number, since it uses less digits than its factorization.

23221208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54826 (or 54822 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 23221208 is about 4818.8388642909. The cubic root of 23221208 is about 285.2955096358.

The spelling of 23221208 in words is "twenty-three million, two hundred twenty-one thousand, two hundred eight".