22500757 has 2 divisors, whose sum is σ = 22500758. Its totient is φ = 22500756.

The previous prime is 22500727. The next prime is 22500763. The reversal of 22500757 is 75700522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21846276 + 654481 = 4674^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 22500757 - 2¹⁵ = 22467989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22500727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11250378 + 11250379.

It is an arithmetic number, because the mean of its divisors is an integer number (11250379).

Almost surely, 2^22500757 is an apocalyptic number.

It is an amenable number.

22500757 is a deficient number, since it is larger than the sum of its proper divisors (1).

22500757 is an equidigital number, since it uses as much as digits as its factorization.

22500757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 22500757 is about 4743.4962843877. The cubic root of 22500757 is about 282.3139746922.

The spelling of 22500757 in words is "twenty-two million, five hundred thousand, seven hundred fifty-seven".