22790537 has 12 divisors (see below), whose sum is σ = 28922256. Its totient is φ = 17758440.

The previous prime is 22790513. The next prime is 22790543. The reversal of 22790537 is 73509722.

It is not a de Polignac number, because 22790537 - 2¹⁰ = 22789513 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22790497 and 22790506.

It is not an unprimeable number, because it can be changed into a prime (22790507) 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, 20603 + ... + 21680.

It is an arithmetic number, because the mean of its divisors is an integer number (2410188).

Almost surely, 2^22790537 is an apocalyptic number.

It is an amenable number.

22790537 is a deficient number, since it is larger than the sum of its proper divisors (6131719).

22790537 is a wasteful number, since it uses less digits than its factorization.

22790537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42308 (or 42301 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 22790537 is about 4773.9435480533. The cubic root of 22790537 is about 283.5207524310.

The spelling of 22790537 in words is "twenty-two million, seven hundred ninety thousand, five hundred thirty-seven".