222123020320 has 384 divisors, whose sum is σ = 585376727040. Its totient is φ = 79322664960.

The previous prime is 222123020311. The next prime is 222123020321. The reversal of 222123020320 is 23020321222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (222123020321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 801888022 + ... + 801888298.

It is an arithmetic number, because the mean of its divisors is an integer number (1524418560).

Almost surely, 2^222123020320 is an apocalyptic number.

222123020320 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 222123020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292688363520).

222123020320 is an abundant number, since it is smaller than the sum of its proper divisors (363253706720).

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

222123020320 is a wasteful number, since it uses less digits than its factorization.

222123020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 222123020320 its reverse (23020321222), we get a palindrome (245143341542).

The spelling of 222123020320 in words is "two hundred twenty-two billion, one hundred twenty-three million, twenty thousand, three hundred twenty".