222204800 has 48 divisors (see below), whose sum is σ = 548923200. Its totient is φ = 88880640.

The previous prime is 222204751. The next prime is 222204803. The reversal of 222204800 is 8402222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222204803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31520 + ... + 37919.

It is an arithmetic number, because the mean of its divisors is an integer number (11435900).

Almost surely, 2^222204800 is an apocalyptic number.

222204800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222204800 is an abundant number, since it is smaller than the sum of its proper divisors (326718400).

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

222204800 is an equidigital number, since it uses as much as digits as its factorization.

222204800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69463 (or 69446 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 222204800 is about 14906.5354794466. The cubic root of 222204800 is about 605.6910347243.

The spelling of 222204800 in words is "two hundred twenty-two million, two hundred four thousand, eight hundred".