22768725 has 48 divisors (see below), whose sum is σ = 44441600. Its totient is φ = 10065600.

The previous prime is 22768723. The next prime is 22768771. The reversal of 22768725 is 52786722.

It is not a de Polignac number, because 22768725 - 2¹ = 22768723 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22768723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15576 + ... + 16974.

Almost surely, 2^22768725 is an apocalyptic number.

22768725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22768725 is a deficient number, since it is larger than the sum of its proper divisors (21672875).

22768725 is a wasteful number, since it uses less digits than its factorization.

22768725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1445 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 22768725 is about 4771.6585167005. The cubic root of 22768725 is about 283.4302744023.

The spelling of 22768725 in words is "twenty-two million, seven hundred sixty-eight thousand, seven hundred twenty-five".