2722856256 has 224 divisors, whose sum is σ = 8485632000. Its totient is φ = 853784064.

The previous prime is 2722856243. The next prime is 2722856261. The reversal of 2722856256 is 6526582272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7846675 + ... + 7847021.

Almost surely, 2^2722856256 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 2722856256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4242816000).

2722856256 is an abundant number, since it is smaller than the sum of its proper divisors (5762775744).

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

2722856256 is a wasteful number, since it uses less digits than its factorization.

2722856256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 610 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 2722856256 is about 52180.9951610737. The cubic root of 2722856256 is about 1396.3948494887.

The spelling of 2722856256 in words is "two billion, seven hundred twenty-two million, eight hundred fifty-six thousand, two hundred fifty-six".