222164200 has 24 divisors (see below), whose sum is σ = 516532230. Its totient is φ = 88865600.

The previous prime is 222164179. The next prime is 222164209. The reversal of 222164200 is 2461222.

222164200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 136749636 + 85414564 = 11694^2 + 9242^2 .

It is not an unprimeable number, because it can be changed into a prime (222164209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555211 + ... + 555610.

Almost surely, 2^222164200 is an apocalyptic number.

222164200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222164200 is an abundant number, since it is smaller than the sum of its proper divisors (294368030).

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

222164200 is a wasteful number, since it uses less digits than its factorization.

222164200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110837 (or 1110828 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 222164200 is about 14905.1735984523. The cubic root of 222164200 is about 605.6541430012.

The spelling of 222164200 in words is "two hundred twenty-two million, one hundred sixty-four thousand, two hundred".