2222521456320 has 504 divisors, whose sum is σ = 8581528492992. Its totient is φ = 527325511680.

The previous prime is 2222521456319. The next prime is 2222521456333. The reversal of 2222521456320 is 236541252222.

2222521456320 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 5 + 2 + 14 + 5 + 632 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16310712 + ... + 16446408.

It is an arithmetic number, because the mean of its divisors is an integer number (17026842248).

Almost surely, 2^{2222521456320} is an apocalyptic number.

2222521456320 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 2222521456320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4290764246496).

2222521456320 is an abundant number, since it is smaller than the sum of its proper divisors (6359007036672).

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

2222521456320 is a wasteful number, since it uses less digits than its factorization.

2222521456320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135789 (or 135765 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 2222521456320 in words is "two trillion, two hundred twenty-two billion, five hundred twenty-one million, four hundred fifty-six thousand, three hundred twenty".