22534537 has 16 divisors (see below), whose sum is σ = 25280640. Its totient is φ = 19982592.

The previous prime is 22534511. The next prime is 22534601. The reversal of 22534537 is 73543522.

It is a cyclic number.

It is not a de Polignac number, because 22534537 - 2⁷ = 22534409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22534499 and 22534508.

It is not an unprimeable number, because it can be changed into a prime (22534507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20668 + ... + 21730.

It is an arithmetic number, because the mean of its divisors is an integer number (1580040).

Almost surely, 2^22534537 is an apocalyptic number.

It is an amenable number.

22534537 is a deficient number, since it is larger than the sum of its proper divisors (2746103).

22534537 is a wasteful number, since it uses less digits than its factorization.

22534537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its digits is 25200, while the sum is 31.

The square root of 22534537 is about 4747.0556137463. The cubic root of 22534537 is about 282.4551817589.

The spelling of 22534537 in words is "twenty-two million, five hundred thirty-four thousand, five hundred thirty-seven".