2256220488 has 64 divisors (see below), whose sum is σ = 5843275200. Its totient is φ = 725457920.

The previous prime is 2256220471. The next prime is 2256220507. The reversal of 2256220488 is 8840226522.

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, 74695 + ... + 100457.

It is an arithmetic number, because the mean of its divisors is an integer number (91301175).

Almost surely, 2^2256220488 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 2256220488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2921637600).

2256220488 is an abundant number, since it is smaller than the sum of its proper divisors (3587054712).

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

2256220488 is a wasteful number, since it uses less digits than its factorization.

2256220488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25902 (or 25898 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 2256220488 is about 47499.6893463526. The cubic root of 2256220488 is about 1311.5771630296.

The spelling of 2256220488 in words is "two billion, two hundred fifty-six million, two hundred twenty thousand, four hundred eighty-eight".