222055400 has 48 divisors (see below), whose sum is σ = 590036640. Its totient is φ = 76132800.

The previous prime is 222055399. The next prime is 222055403. The reversal of 222055400 is 4550222.

222055400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (222055403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77906 + ... + 80705.

It is an arithmetic number, because the mean of its divisors is an integer number (12292430).

Almost surely, 2^222055400 is an apocalyptic number.

222055400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222055400 is an abundant number, since it is smaller than the sum of its proper divisors (367981240).

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

222055400 is a wasteful number, since it uses less digits than its factorization.

222055400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158634 (or 158625 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 222055400 is about 14901.5234120542. The cubic root of 222055400 is about 605.5552582865. Note that the first 3 decimals are identical.

The spelling of 222055400 in words is "two hundred twenty-two million, fifty-five thousand, four hundred".