222294994432 has 160 divisors (see below), whose sum is σ = 525200670720. Its totient is φ = 91981578240.

The previous prime is 222294994423. The next prime is 222294994459. The reversal of 222294994432 is 234499492222.

It is a happy number.

It is a super-2 number, since 2×222294994432² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 222294994432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53216728 + ... + 53220904.

It is an arithmetic number, because the mean of its divisors is an integer number (3282504192).

Almost surely, 2^222294994432 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 222294994432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262600335360).

222294994432 is an abundant number, since it is smaller than the sum of its proper divisors (302905676288).

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

222294994432 is an equidigital number, since it uses as much as digits as its factorization.

222294994432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712 (or 4696 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 52.

The spelling of 222294994432 in words is "two hundred twenty-two billion, two hundred ninety-four million, nine hundred ninety-four thousand, four hundred thirty-two".