222215132 has 6 divisors (see below), whose sum is σ = 388876488. Its totient is φ = 111107564.

The previous prime is 222215113. The next prime is 222215159. The reversal of 222215132 is 231512222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27776888 + ... + 27776895.

It is an arithmetic number, because the mean of its divisors is an integer number (64812748).

Almost surely, 2^222215132 is an apocalyptic number.

It is an amenable number.

222215132 is a deficient number, since it is larger than the sum of its proper divisors (166661356).

222215132 is a wasteful number, since it uses less digits than its factorization.

222215132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55553787 (or 55553785 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 222215132 is about 14906.8820348187. The cubic root of 222215132 is about 605.7004223145.

Adding to 222215132 its reverse (231512222), we get a palindrome (453727354).

The spelling of 222215132 in words is "two hundred twenty-two million, two hundred fifteen thousand, one hundred thirty-two".