222232120 has 32 divisors (see below), whose sum is σ = 545479920. Its totient is φ = 80811520.

The previous prime is 222232117. The next prime is 222232139. The reversal of 222232120 is 21232222.

It is a junction number, because it is equal to n+sod(n) for n = 222232094 and 222232103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252097 + ... + 252976.

Almost surely, 2^222232120 is an apocalyptic number.

222232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222232120 is an abundant number, since it is smaller than the sum of its proper divisors (323247800).

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

222232120 is a wasteful number, since it uses less digits than its factorization.

222232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505095 (or 505091 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222232120 is about 14907.4518278611. The cubic root of 222232120 is about 605.7158568718.

Adding to 222232120 its reverse (21232222), we get a palindrome (243464342).

The spelling of 222232120 in words is "two hundred twenty-two million, two hundred thirty-two thousand, one hundred twenty".