22502 has 4 divisors (see below), whose sum is σ = 33756. Its totient is φ = 11250.

The previous prime is 22501. The next prime is 22511. The reversal of 22502 is 20522.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5624 + ... + 5627.

It is an arithmetic number, because the mean of its divisors is an integer number (8439).

2²²⁵⁰² is an apocalyptic number.

22502 is a deficient number, since it is larger than the sum of its proper divisors (11254).

22502 is a wasteful number, since it uses less digits than its factorization.

22502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11253.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 22502 is about 150.0066665185. The cubic root of 22502 is about 28.2319173181.

The spelling of 22502 in words is "twenty-two thousand, five hundred two".