22438253 has 4 divisors (see below), whose sum is σ = 22487388. Its totient is φ = 22389120.

The previous prime is 22438219. The next prime is 22438267. The reversal of 22438253 is 35283422.

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 3104644 + 19333609 = 1762^2 + 4397^2 .

It is a cyclic number.

It is not a de Polignac number, because 22438253 - 2²⁰ = 21389677 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 (22438153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23876 + ... + 24797.

It is an arithmetic number, because the mean of its divisors is an integer number (5621847).

Almost surely, 2^22438253 is an apocalyptic number.

It is an amenable number.

22438253 is a deficient number, since it is larger than the sum of its proper divisors (49135).

22438253 is an equidigital number, since it uses as much as digits as its factorization.

22438253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49134.

The product of its digits is 11520, while the sum is 29.

The square root of 22438253 is about 4736.9033133472. The cubic root of 22438253 is about 282.0523225014.

The spelling of 22438253 in words is "twenty-two million, four hundred thirty-eight thousand, two hundred fifty-three".