222001300320 has 48 divisors (see below), whose sum is σ = 699304097520. Its totient is φ = 59200346624.

The previous prime is 222001300309. The next prime is 222001300379. The reversal of 222001300320 is 23003100222.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 222001300320.

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, 231250875 + ... + 231251834.

It is an arithmetic number, because the mean of its divisors is an integer number (14568835365).

Almost surely, 2^222001300320 is an apocalyptic number.

222001300320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001300320 is an abundant number, since it is smaller than the sum of its proper divisors (477302797200).

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

222001300320 is a wasteful number, since it uses less digits than its factorization.

222001300320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462502727 (or 462502719 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 222001300320 its reverse (23003100222), we get a palindrome (245004400542).

The spelling of 222001300320 in words is "two hundred twenty-two billion, one million, three hundred thousand, three hundred twenty".