2252720256 has 64 divisors (see below), whose sum is σ = 6298744800. Its totient is φ = 711383040.

The previous prime is 2252720233. The next prime is 2252720273. The reversal of 2252720256 is 6520272522.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147085 + ... + 161676.

Almost surely, 2^2252720256 is an apocalyptic number.

It is an amenable number.

2252720256 is an abundant number, since it is smaller than the sum of its proper divisors (4046024544).

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

2252720256 is a wasteful number, since it uses less digits than its factorization.

2252720256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308797 (or 308785 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 2252720256 is about 47462.8302569495. The cubic root of 2252720256 is about 1310.8985649860.

Adding to 2252720256 its reverse (6520272522), we get a palindrome (8772992778).

The spelling of 2252720256 in words is "two billion, two hundred fifty-two million, seven hundred twenty thousand, two hundred fifty-six".