22525253 has 4 divisors (see below), whose sum is σ = 22609260. Its totient is φ = 22441248.

The previous prime is 22525231. The next prime is 22525259. The reversal of 22525253 is 35252522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35252522 = 2 ⋅17626261.

It can be written as a sum of positive squares in 2 ways, for example, as 3323329 + 19201924 = 1823^2 + 4382^2 .

It is a cyclic number.

It is not a de Polignac number, because 22525253 - 2²⁴ = 5748037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22525259) 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, 41600 + ... + 42137.

It is an arithmetic number, because the mean of its divisors is an integer number (5652315).

Almost surely, 2^22525253 is an apocalyptic number.

It is an amenable number.

22525253 is a deficient number, since it is larger than the sum of its proper divisors (84007).

22525253 is an equidigital number, since it uses as much as digits as its factorization.

22525253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84006.

The product of its digits is 6000, while the sum is 26.

The square root of 22525253 is about 4746.0776436970. The cubic root of 22525253 is about 282.4163868769.

Adding to 22525253 its reverse (35252522), we get a palindrome (57777775).

The spelling of 22525253 in words is "twenty-two million, five hundred twenty-five thousand, two hundred fifty-three".