222013122320 has 40 divisors (see below), whose sum is σ = 563106012480. Its totient is φ = 80732044160.

The previous prime is 222013122301. The next prime is 222013122347. The reversal of 222013122320 is 23221310222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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 = 222013122292 and 222013122301.

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, 126142940 + ... + 126144699.

It is an arithmetic number, because the mean of its divisors is an integer number (14077650312).

Almost surely, 2^222013122320 is an apocalyptic number.

222013122320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222013122320 is an abundant number, since it is smaller than the sum of its proper divisors (341092890160).

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

222013122320 is a wasteful number, since it uses less digits than its factorization.

222013122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252287663 (or 252287657 counting only the distinct ones).

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

Adding to 222013122320 its reverse (23221310222), we get a palindrome (245234432542).

The spelling of 222013122320 in words is "two hundred twenty-two billion, thirteen million, one hundred twenty-two thousand, three hundred twenty".