222898194 has 12 divisors (see below), whose sum is σ = 482946126. Its totient is φ = 74299392.

The previous prime is 222898171. The next prime is 222898201. The reversal of 222898194 is 491898222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 175907169 + 46991025 = 13263^2 + 6855^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6191599 + ... + 6191634.

Almost surely, 2^222898194 is an apocalyptic number.

222898194 is an abundant number, since it is smaller than the sum of its proper divisors (260047932).

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

222898194 is a wasteful number, since it uses less digits than its factorization.

222898194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12383241 (or 12383238 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 222898194 is about 14929.7754169311. The cubic root of 222898194 is about 606.3204037130.

The spelling of 222898194 in words is "two hundred twenty-two million, eight hundred ninety-eight thousand, one hundred ninety-four".