222310232120 has 16 divisors (see below), whose sum is σ = 500198022360. Its totient is φ = 88924092832.

The previous prime is 222310232119. The next prime is 222310232149. The reversal of 222310232120 is 21232013222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222310232092 and 222310232101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778877862 + ... + 2778877941.

Almost surely, 2^222310232120 is an apocalyptic number.

222310232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222310232120 is an abundant number, since it is smaller than the sum of its proper divisors (277887790240).

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

222310232120 is a wasteful number, since it uses less digits than its factorization.

222310232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557755814 (or 5557755810 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222310232120 its reverse (21232013222), we get a palindrome (243542245342).

The spelling of 222310232120 in words is "two hundred twenty-two billion, three hundred ten million, two hundred thirty-two thousand, one hundred twenty".