22536750 has 64 divisors (see below), whose sum is σ = 56908800. Its totient is φ = 5940000.

The previous prime is 22536743. The next prime is 22536821. The reversal of 22536750 is 5763522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113151 + ... + 113349.

It is an arithmetic number, because the mean of its divisors is an integer number (889200).

Almost surely, 2^22536750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22536750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28454400).

22536750 is an abundant number, since it is smaller than the sum of its proper divisors (34372050).

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

22536750 is a wasteful number, since it uses less digits than its factorization.

22536750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 22536750 is about 4747.2886998791. The cubic root of 22536750 is about 282.4644276090.

The spelling of 22536750 in words is "twenty-two million, five hundred thirty-six thousand, seven hundred fifty".