22975121 has 4 divisors (see below), whose sum is σ = 24742452. Its totient is φ = 21207792.

The previous prime is 22975097. The next prime is 22975133. The reversal of 22975121 is 12157922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13140625 + 9834496 = 3625^2 + 3136^2 .

It is a cyclic number.

It is not a de Polignac number, because 22975121 - 2¹⁴ = 22958737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22975181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883646 + ... + 883671.

It is an arithmetic number, because the mean of its divisors is an integer number (6185613).

Almost surely, 2^22975121 is an apocalyptic number.

It is an amenable number.

22975121 is a deficient number, since it is larger than the sum of its proper divisors (1767331).

22975121 is a wasteful number, since it uses less digits than its factorization.

22975121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767330.

The product of its digits is 2520, while the sum is 29.

The square root of 22975121 is about 4793.2370064498. The cubic root of 22975121 is about 284.2841210390.

The spelling of 22975121 in words is "twenty-two million, nine hundred seventy-five thousand, one hundred twenty-one".