22200597 has 12 divisors (see below), whose sum is σ = 32236204. Its totient is φ = 14722560.

The previous prime is 22200551. The next prime is 22200601. The reversal of 22200597 is 79500222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10850436 + 11350161 = 3294^2 + 3369^2 .

It is not a de Polignac number, because 22200597 - 2⁷ = 22200469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22200597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4654 + ... + 8127.

Almost surely, 2^22200597 is an apocalyptic number.

It is an amenable number.

22200597 is a deficient number, since it is larger than the sum of its proper divisors (10035607).

22200597 is a wasteful number, since it uses less digits than its factorization.

22200597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12980 (or 12977 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 22200597 is about 4711.7509484267. The cubic root of 22200597 is about 281.0529950748.

The spelling of 22200597 in words is "twenty-two million, two hundred thousand, five hundred ninety-seven".