222313122 has 24 divisors (see below), whose sum is σ = 481955760. Its totient is φ = 74061720.

The previous prime is 222313109. The next prime is 222313123. The reversal of 222313122 is 221313222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 222313095 and 222313104.

It is not an unprimeable number, because it can be changed into a prime (222313123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52297 + ... + 56387.

It is an arithmetic number, because the mean of its divisors is an integer number (20081490).

Almost surely, 2^222313122 is an apocalyptic number.

222313122 is an abundant number, since it is smaller than the sum of its proper divisors (259642638).

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

222313122 is a wasteful number, since it uses less digits than its factorization.

222313122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7118 (or 7115 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 222313122 is about 14910.1684095117. The cubic root of 222313122 is about 605.7894409481.

Adding to 222313122 its reverse (221313222), we get a palindrome (443626344).

The spelling of 222313122 in words is "two hundred twenty-two million, three hundred thirteen thousand, one hundred twenty-two".