222244446920 has 128 divisors (see below), whose sum is σ = 557557862400. Its totient is φ = 79295901696.

The previous prime is 222244446889. The next prime is 222244446923. The reversal of 222244446920 is 29644442222.

It is not an unprimeable number, because it can be changed into a prime (222244446923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1639577 + ... + 1769943.

It is an arithmetic number, because the mean of its divisors is an integer number (4355920800).

Almost surely, 2^222244446920 is an apocalyptic number.

222244446920 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 222244446920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278778931200).

222244446920 is an abundant number, since it is smaller than the sum of its proper divisors (335313415480).

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

222244446920 is a wasteful number, since it uses less digits than its factorization.

222244446920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130527 (or 130523 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 41.

The spelling of 222244446920 in words is "two hundred twenty-two billion, two hundred forty-four million, four hundred forty-six thousand, nine hundred twenty".