22575138 has 16 divisors (see below), whose sum is σ = 46002816. Its totient is φ = 7382960.

The previous prime is 22575127. The next prime is 22575149. The reversal of 22575138 is 83157522.

It is an interprime number because it is at equal distance from previous prime (22575127) and next prime (22575149).

It is a junction number, because it is equal to n+sod(n) for n = 22575099 and 22575108.

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, 35178 + ... + 35813.

It is an arithmetic number, because the mean of its divisors is an integer number (2875176).

Almost surely, 2^22575138 is an apocalyptic number.

22575138 is an abundant number, since it is smaller than the sum of its proper divisors (23427678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22575138 is a wasteful number, since it uses less digits than its factorization.

22575138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71049.

The product of its digits is 16800, while the sum is 33.

The square root of 22575138 is about 4751.3301295532. The cubic root of 22575138 is about 282.6247153413.

The spelling of 22575138 in words is "twenty-two million, five hundred seventy-five thousand, one hundred thirty-eight".