222402122 has 16 divisors (see below), whose sum is σ = 352767744. Its totient is φ = 104988000.

The previous prime is 222402107. The next prime is 222402161. The reversal of 222402122 is 221204222.

It is a self number, because there is not a number n which added to its sum of digits gives 222402122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41204 + ... + 46287.

It is an arithmetic number, because the mean of its divisors is an integer number (22047984).

Almost surely, 2^222402122 is an apocalyptic number.

222402122 is a deficient number, since it is larger than the sum of its proper divisors (130365622).

222402122 is a wasteful number, since it uses less digits than its factorization.

222402122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87565.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 222402122 is about 14913.1526512673. The cubic root of 222402122 is about 605.8702699858.

Adding to 222402122 its reverse (221204222), we get a palindrome (443606344).

The spelling of 222402122 in words is "two hundred twenty-two million, four hundred two thousand, one hundred twenty-two".