22475 has 12 divisors (see below), whose sum is σ = 29760. Its totient is φ = 16800.

The previous prime is 22469. The next prime is 22481. The reversal of 22475 is 57422.

It is an interprime number because it is at equal distance from previous prime (22469) and next prime (22481).

It is not a de Polignac number, because 22475 - 2¹² = 18379 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (560) is a multiple of the sum of its prime factors (70).

It is a plaindrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 710 + ... + 740.

It is an arithmetic number, because the mean of its divisors is an integer number (2480).

2²²⁴⁷⁵ is an apocalyptic number.

22475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22475 is a deficient number, since it is larger than the sum of its proper divisors (7285).

22475 is a wasteful number, since it uses less digits than its factorization.

22475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 65 counting only the distinct ones).

The product of its digits is 560, while the sum is 20.

The square root of 22475 is about 149.9166435056. The cubic root of 22475 is about 28.2206210356.

Adding to 22475 its reverse (57422), we get a palindrome (79897).

It can be divided in two parts, 2 and 2475, that multiplied together give a triangular number (4950 = T₉₉).

The spelling of 22475 in words is "twenty-two thousand, four hundred seventy-five".