222443121408 has 36 divisors (see below), whose sum is σ = 592023101208. Its totient is φ = 74147706880.

The previous prime is 222443121389. The next prime is 222443121409. The reversal of 222443121408 is 804121344222.

It is a happy number.

222443121408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222443121409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144818973 + ... + 144820508.

Almost surely, 2^222443121408 is an apocalyptic number.

It is an amenable number.

222443121408 is an abundant number, since it is smaller than the sum of its proper divisors (369579979800).

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

222443121408 is an equidigital number, since it uses as much as digits as its factorization.

222443121408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289639500 (or 289639486 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 222443121408 in words is "two hundred twenty-two billion, four hundred forty-three million, one hundred twenty-one thousand, four hundred eight".