22752490 has 16 divisors (see below), whose sum is σ = 41057280. Its totient is φ = 9078160.

The previous prime is 22752487. The next prime is 22752491. The reversal of 22752490 is 9425722.

It is not an unprimeable number, because it can be changed into a prime (22752491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671 + ... + 6949.

It is an arithmetic number, because the mean of its divisors is an integer number (2566080).

Almost surely, 2^22752490 is an apocalyptic number.

22752490 is a deficient number, since it is larger than the sum of its proper divisors (18304790).

22752490 is a wasteful number, since it uses less digits than its factorization.

22752490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 22752490 is about 4769.9570228672. The cubic root of 22752490 is about 283.3628927253.

The spelling of 22752490 in words is "twenty-two million, seven hundred fifty-two thousand, four hundred ninety".