222920315520 has 512 divisors, whose sum is σ = 840764620800. Its totient is φ = 49162567680.

The previous prime is 222920315509. The next prime is 222920315533. The reversal of 222920315520 is 25513029222.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 199570002 + ... + 199571118.

It is an arithmetic number, because the mean of its divisors is an integer number (1642118400).

Almost surely, 2^222920315520 is an apocalyptic number.

222920315520 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 222920315520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420382310400).

222920315520 is an abundant number, since it is smaller than the sum of its proper divisors (617844305280).

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

222920315520 is a wasteful number, since it uses less digits than its factorization.

222920315520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 222920315520 in words is "two hundred twenty-two billion, nine hundred twenty million, three hundred fifteen thousand, five hundred twenty".