2251500244 has 12 divisors (see below), whose sum is σ = 4503000544. Its totient is φ = 964928664.

The previous prime is 2251500197. The next prime is 2251500257. The reversal of 2251500244 is 4420051522.

2251500244 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40205334 + ... + 40205389.

Almost surely, 2^2251500244 is an apocalyptic number.

It is an amenable number.

2251500244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2251500244 is a wasteful number, since it uses less digits than its factorization.

2251500244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80410734 (or 80410732 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2251500244 is about 47449.9762276021. The cubic root of 2251500244 is about 1310.6618732534.

Adding to 2251500244 its reverse (4420051522), we get a palindrome (6671551766).

The spelling of 2251500244 in words is "two billion, two hundred fifty-one million, five hundred thousand, two hundred forty-four".