22975537 has 8 divisors (see below), whose sum is σ = 24902696. Its totient is φ = 21071232.

The previous prime is 22975523. The next prime is 22975567. The reversal of 22975537 is 73557922.

It can be written as a sum of positive squares in 4 ways, for example, as 1806336 + 21169201 = 1344^2 + 4601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22975537 - 2¹⁵ = 22942769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22975537.

It is not an unprimeable number, because it can be changed into a prime (22975567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3588 + ... + 7669.

It is an arithmetic number, because the mean of its divisors is an integer number (3112837).

Almost surely, 2^22975537 is an apocalyptic number.

It is an amenable number.

22975537 is a deficient number, since it is larger than the sum of its proper divisors (1927159).

22975537 is a wasteful number, since it uses less digits than its factorization.

22975537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11427.

The product of its digits is 132300, while the sum is 40.

The square root of 22975537 is about 4793.2804007277. The cubic root of 22975537 is about 284.2858368295.

The spelling of 22975537 in words is "twenty-two million, nine hundred seventy-five thousand, five hundred thirty-seven".