222323022 has 32 divisors (see below), whose sum is σ = 503379360. Its totient is φ = 72708480.

The previous prime is 222323021. The next prime is 222323027. The reversal of 222323022 is 220323222.

It is a super-2 number, since 2×222323022² = 98855052222424968, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 222322986 and 222323004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222323021) 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 15 ways as a sum of consecutive naturals, for example, 35979 + ... + 41702.

It is an arithmetic number, because the mean of its divisors is an integer number (15730605).

Almost surely, 2^222323022 is an apocalyptic number.

222323022 is an abundant number, since it is smaller than the sum of its proper divisors (281056338).

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

222323022 is a wasteful number, since it uses less digits than its factorization.

222323022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77745 (or 77739 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 222323022 is about 14910.5003940176. The cubic root of 222323022 is about 605.7984331096.

Adding to 222323022 its reverse (220323222), we get a palindrome (442646244).

The spelling of 222323022 in words is "two hundred twenty-two million, three hundred twenty-three thousand, twenty-two".