222202222 has 24 divisors (see below), whose sum is σ = 370026216. Its totient is φ = 99990000.

The previous prime is 222202181. The next prime is 222202231.

It is a happy number.

222202222 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222202196 and 222202205.

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, 19897 + ... + 28987.

It is an arithmetic number, because the mean of its divisors is an integer number (15417759).

Almost surely, 2^222202222 is an apocalyptic number.

222202222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222202222 is a deficient number, since it is larger than the sum of its proper divisors (147823994).

222202222 is a wasteful number, since it uses less digits than its factorization.

222202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9216 (or 9205 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 222202222 is about 14906.4490070573. The cubic root of 222202222 is about 605.6886923244.

It can be divided in two parts, 22220 and 2222, that added together give a palindrome (24442).

The spelling of 222202222 in words is "two hundred twenty-two million, two hundred two thousand, two hundred twenty-two".