222408198 has 24 divisors (see below), whose sum is σ = 497430336. Its totient is φ = 71744400.

The previous prime is 222408187. The next prime is 222408203. The reversal of 222408198 is 891804222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198733 + ... + 199848.

It is an arithmetic number, because the mean of its divisors is an integer number (20726264).

Almost surely, 2^222408198 is an apocalyptic number.

222408198 is an abundant number, since it is smaller than the sum of its proper divisors (275022138).

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

222408198 is a wasteful number, since it uses less digits than its factorization.

222408198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398620 (or 398617 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 222408198 is about 14913.3563626703. The cubic root of 222408198 is about 605.8757873705.

The spelling of 222408198 in words is "two hundred twenty-two million, four hundred eight thousand, one hundred ninety-eight".