222205194 has 40 divisors (see below), whose sum is σ = 498818628. Its totient is φ = 73932480.

The previous prime is 222205187. The next prime is 222205219. The reversal of 222205194 is 491502222.

It is a happy number.

222205194 is digitally balanced in base 2, 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 2 ways, for example, as 219188025 + 3017169 = 14805^2 + 1737^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 128254 + ... + 129974.

Almost surely, 2^222205194 is an apocalyptic number.

222205194 is an abundant number, since it is smaller than the sum of its proper divisors (276613434).

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

222205194 is a wasteful number, since it uses less digits than its factorization.

222205194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532 (or 2523 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 222205194 is about 14906.5486951205. The cubic root of 222205194 is about 605.6913927156.

The spelling of 222205194 in words is "two hundred twenty-two million, two hundred five thousand, one hundred ninety-four".