222002120320 has 64 divisors (see below), whose sum is σ = 547843991040. Its totient is φ = 85936296960.

The previous prime is 222002120309. The next prime is 222002120363. The reversal of 222002120320 is 23021200222.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 222002120294 and 222002120303.

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, 5574972 + ... + 5614651.

It is an arithmetic number, because the mean of its divisors is an integer number (8560062360).

Almost surely, 2^222002120320 is an apocalyptic number.

222002120320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222002120320 is an abundant number, since it is smaller than the sum of its proper divisors (325841870720).

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

222002120320 is a wasteful number, since it uses less digits than its factorization.

222002120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11189673 (or 11189661 counting only the distinct ones).

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

Adding to 222002120320 its reverse (23021200222), we get a palindrome (245023320542).

The spelling of 222002120320 in words is "two hundred twenty-two billion, two million, one hundred twenty thousand, three hundred twenty".