222912943392 has 96 divisors (see below), whose sum is σ = 613752467328. Its totient is φ = 70705299456.

The previous prime is 222912943361. The next prime is 222912943397. The reversal of 222912943392 is 293349219222.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (222912943397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164598 + ... + 687690.

It is an arithmetic number, because the mean of its divisors is an integer number (6393254868).

Almost surely, 2^222912943392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222912943392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306876233664).

222912943392 is an abundant number, since it is smaller than the sum of its proper divisors (390839523936).

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

222912943392 is a wasteful number, since it uses less digits than its factorization.

222912943392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523322 (or 523314 counting only the distinct ones).

The product of its digits is 839808, while the sum is 48.

The spelling of 222912943392 in words is "two hundred twenty-two billion, nine hundred twelve million, nine hundred forty-three thousand, three hundred ninety-two".