22501552 has 20 divisors (see below), whose sum is σ = 43696360. Its totient is φ = 11225088.

The previous prime is 22501543. The next prime is 22501561. The reversal of 22501552 is 25510522.

It is an interprime number because it is at equal distance from previous prime (22501543) and next prime (22501561).

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, 7024 + ... + 9712.

It is an arithmetic number, because the mean of its divisors is an integer number (2184818).

Almost surely, 2^22501552 is an apocalyptic number.

It is an amenable number.

22501552 is a deficient number, since it is larger than the sum of its proper divisors (21194808).

22501552 is a wasteful number, since it uses less digits than its factorization.

22501552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220 (or 3214 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 22501552 is about 4743.5800825958. The cubic root of 22501552 is about 282.3172995725.

The spelling of 22501552 in words is "twenty-two million, five hundred one thousand, five hundred fifty-two".