22752550 has 24 divisors (see below), whose sum is σ = 42704856. Its totient is φ = 9018240.

The previous prime is 22752533. The next prime is 22752571. The reversal of 22752550 is 5525722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3637 + ... + 7663.

It is an arithmetic number, because the mean of its divisors is an integer number (1779369).

Almost surely, 2^22752550 is an apocalyptic number.

22752550 is a deficient number, since it is larger than the sum of its proper divisors (19952306).

22752550 is a wasteful number, since it uses less digits than its factorization.

22752550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152 (or 4147 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 22752550 is about 4769.9633122279. The cubic root of 22752550 is about 283.3631418081.

The spelling of 22752550 in words is "twenty-two million, seven hundred fifty-two thousand, five hundred fifty".