222132122 has 4 divisors (see below), whose sum is σ = 333198186. Its totient is φ = 111066060.

The previous prime is 222132101. The next prime is 222132187. The reversal of 222132122 is 221231222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 150577441 + 71554681 = 12271^2 + 8459^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222132122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55533029 + ... + 55533032.

Almost surely, 2^222132122 is an apocalyptic number.

222132122 is a deficient number, since it is larger than the sum of its proper divisors (111066064).

222132122 is a wasteful number, since it uses less digits than its factorization.

222132122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111066063.

The product of its digits is 192, while the sum is 17.

The square root of 222132122 is about 14904.0974902877. The cubic root of 222132122 is about 605.6249917267.

Adding to 222132122 its reverse (221231222), we get a palindrome (443363344).

It can be divided in two parts, 2221 and 32122, that added together give a palindrome (34343).

The spelling of 222132122 in words is "two hundred twenty-two million, one hundred thirty-two thousand, one hundred twenty-two".