222002331320 has 128 divisors (see below), whose sum is σ = 628806896640. Its totient is φ = 68523632640.

The previous prime is 222002331307. The next prime is 222002331367. The reversal of 222002331320 is 23133200222.

It is a super-2 number, since 2×222002331320² (a number of 23 digits) contains 22 as substring.

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 = 222002331292 and 222002331301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32657 + ... + 667136.

It is an arithmetic number, because the mean of its divisors is an integer number (4912553880).

Almost surely, 2^222002331320 is an apocalyptic number.

222002331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222002331320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314403448320).

222002331320 is an abundant number, since it is smaller than the sum of its proper divisors (406804565320).

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

222002331320 is a wasteful number, since it uses less digits than its factorization.

222002331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699925 (or 699921 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 222002331320 its reverse (23133200222), we get a palindrome (245135531542).

The spelling of 222002331320 in words is "two hundred twenty-two billion, two million, three hundred thirty-one thousand, three hundred twenty".