222322122 has 48 divisors (see below), whose sum is σ = 539708832. Its totient is φ = 65547360.

The previous prime is 222322063. The next prime is 222322129. The reversal of 222322122 is 221223222.

222322122 is a `hidden beast` number, since 222 + 322 + 122 = 666.

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 = 222322095 and 222322104.

It is not an unprimeable number, because it can be changed into a prime (222322129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7848 + ... + 22499.

It is an arithmetic number, because the mean of its divisors is an integer number (11243934).

Almost surely, 2^222322122 is an apocalyptic number.

222322122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222322122 is an abundant number, since it is smaller than the sum of its proper divisors (317386710).

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

222322122 is a wasteful number, since it uses less digits than its factorization.

222322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30403 (or 30400 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 222322122 is about 14910.4702139134. The cubic root of 222322122 is about 605.7976156514.

Adding to 222322122 its reverse (221223222), we get a palindrome (443545344).

The spelling of 222322122 in words is "two hundred twenty-two million, three hundred twenty-two thousand, one hundred twenty-two".