22534137 has 12 divisors (see below), whose sum is σ = 32590740. Its totient is φ = 15003648.

The previous prime is 22534123. The next prime is 22534139. The reversal of 22534137 is 73143522.

It can be written as a sum of positive squares in 2 ways, for example, as 4309776 + 18224361 = 2076^2 + 4269^2 .

It is not a de Polignac number, because 22534137 - 2¹⁰ = 22533113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22534137.

It is not an unprimeable number, because it can be changed into a prime (22534139) 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, 11793 + ... + 13569.

It is an arithmetic number, because the mean of its divisors is an integer number (2715895).

It is a vampire number, since it can be written as 4227 ⋅ 5331 (with its own digits).

Almost surely, 2^22534137 is an apocalyptic number.

It is an amenable number.

22534137 is a deficient number, since it is larger than the sum of its proper divisors (10056603).

22534137 is a wasteful number, since it uses less digits than its factorization.

22534137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3189 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 22534137 is about 4747.0134821801. The cubic root of 22534137 is about 282.4535105058.

Adding to 22534137 its reverse (73143522), we get a palindrome (95677659).

The spelling of 22534137 in words is "twenty-two million, five hundred thirty-four thousand, one hundred thirty-seven".