22242200 has 24 divisors (see below), whose sum is σ = 51713580. Its totient is φ = 8896800.

The previous prime is 22242193. The next prime is 22242203. The reversal of 22242200 is 224222.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55406 + ... + 55805.

Almost surely, 2^22242200 is an apocalyptic number.

22242200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22242200 is an abundant number, since it is smaller than the sum of its proper divisors (29471380).

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

22242200 is a wasteful number, since it uses less digits than its factorization.

22242200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111227 (or 111218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22242200 is about 4716.1636952082. The cubic root of 22242200 is about 281.2284460849.

Adding to 22242200 its reverse (224222), we get a palindrome (22466422).

The spelling of 22242200 in words is "twenty-two million, two hundred forty-two thousand, two hundred".