22353 has 4 divisors (see below), whose sum is σ = 29808. Its totient is φ = 14900.

The previous prime is 22349. The next prime is 22367. The reversal of 22353 is 35322.

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 22353 - 2² = 22349 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (22303) 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, 3723 + ... + 3728.

It is an arithmetic number, because the mean of its divisors is an integer number (7452).

2²²³⁵³ is an apocalyptic number.

It is an amenable number.

22353 is a deficient number, since it is larger than the sum of its proper divisors (7455).

22353 is an equidigital number, since it uses as much as digits as its factorization.

22353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7454.

The product of its digits is 180, while the sum is 15.

The square root of 22353 is about 149.5091970415. The cubic root of 22353 is about 28.1694654658.

Adding to 22353 its reverse (35322), we get a palindrome (57675).

It can be divided in two parts, 223 and 53, that added together give a triangular number (276 = T₂₃).

The spelling of 22353 in words is "twenty-two thousand, three hundred fifty-three".