22548400 has 60 divisors (see below), whose sum is σ = 61919152. Its totient is φ = 7729920.

The previous prime is 22548397. The next prime is 22548403. The reversal of 22548400 is 484522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22548397) and next prime (22548403).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (22548403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1227 + ... + 6826.

Almost surely, 2^22548400 is an apocalyptic number.

22548400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22548400 is an abundant number, since it is smaller than the sum of its proper divisors (39370752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22548400 is a wasteful number, since it uses less digits than its factorization.

22548400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078 (or 8067 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 22548400 is about 4748.5155575190. The cubic root of 22548400 is about 282.5130909954.

It can be divided in two parts, 225 and 48400, that multiplied together give a square (10890000 = 3300²).

The spelling of 22548400 in words is "twenty-two million, five hundred forty-eight thousand, four hundred".