2251514056 has 64 divisors (see below), whose sum is σ = 4729855680. Its totient is φ = 995930880.

The previous prime is 2251514021. The next prime is 2251514189. The reversal of 2251514056 is 6504151522.

It is a super-2 number, since 2×2251514056² = 10138631088731142272, which contains 22 as substring.

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, 1198590 + ... + 1200466.

It is an arithmetic number, because the mean of its divisors is an integer number (73903995).

Almost surely, 2^2251514056 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 2251514056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2364927840).

2251514056 is an abundant number, since it is smaller than the sum of its proper divisors (2478341624).

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

2251514056 is a wasteful number, since it uses less digits than its factorization.

2251514056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254 (or 2250 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2251514056 is about 47450.1217701283. The cubic root of 2251514056 is about 1310.6645533664.

Adding to 2251514056 its reverse (6504151522), we get a palindrome (8755665578).

The spelling of 2251514056 in words is "two billion, two hundred fifty-one million, five hundred fourteen thousand, fifty-six".