2290251728 has 40 divisors (see below), whose sum is σ = 4584873216. Its totient is φ = 1107129600.

The previous prime is 2290251721. The next prime is 2290251731. The reversal of 2290251728 is 8271520922.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2290251691 and 2290251700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290251721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852275 + ... + 854957.

Almost surely, 2^2290251728 is an apocalyptic number.

It is an amenable number.

2290251728 is an abundant number, since it is smaller than the sum of its proper divisors (2294621488).

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

2290251728 is a wasteful number, since it uses less digits than its factorization.

2290251728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443 (or 4437 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 2290251728 is about 47856.5745535553. The cubic root of 2290251728 is about 1318.1385853969.

The spelling of 2290251728 in words is "two billion, two hundred ninety million, two hundred fifty-one thousand, seven hundred twenty-eight".