222213232120 has 64 divisors (see below), whose sum is σ = 545632588800. Its totient is φ = 80775166080.

The previous prime is 222213232091. The next prime is 222213232177. The reversal of 222213232120 is 21232312222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 222213232091 and 222213232100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126221 + ... + 1308739.

It is an arithmetic number, because the mean of its divisors is an integer number (8525509200).

Almost surely, 2^222213232120 is an apocalyptic number.

222213232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222213232120 is an abundant number, since it is smaller than the sum of its proper divisors (323419356680).

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

222213232120 is a wasteful number, since it uses less digits than its factorization.

222213232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185308 (or 185304 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 222213232120 its reverse (21232312222), we get a palindrome (243445544342).

The spelling of 222213232120 in words is "two hundred twenty-two billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred twenty".