22523253 has 4 divisors (see below), whose sum is σ = 30031008. Its totient is φ = 15015500.

The previous prime is 22523243. The next prime is 22523257. The reversal of 22523253 is 35232522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22523253 - 2¹⁶ = 22457717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22523257) 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, 3753873 + ... + 3753878.

It is an arithmetic number, because the mean of its divisors is an integer number (7507752).

Almost surely, 2^22523253 is an apocalyptic number.

It is an amenable number.

22523253 is a deficient number, since it is larger than the sum of its proper divisors (7507755).

22523253 is an equidigital number, since it uses as much as digits as its factorization.

22523253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507754.

The product of its digits is 3600, while the sum is 24.

The square root of 22523253 is about 4745.8669387163. The cubic root of 22523253 is about 282.4080281178.

Adding to 22523253 its reverse (35232522), we get a palindrome (57755775).

The spelling of 22523253 in words is "twenty-two million, five hundred twenty-three thousand, two hundred fifty-three".