2252657688 has 16 divisors (see below), whose sum is σ = 5631644280. Its totient is φ = 750885888.

The previous prime is 2252657677. The next prime is 2252657831. The reversal of 2252657688 is 8867562522.

It is a self number, because there is not a number n which added to its sum of digits gives 2252657688.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46930345 + ... + 46930392.

Almost surely, 2^2252657688 is an apocalyptic number.

It is an amenable number.

2252657688 is an abundant number, since it is smaller than the sum of its proper divisors (3378986592).

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

2252657688 is a wasteful number, since it uses less digits than its factorization.

2252657688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93860746 (or 93860742 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 51.

The square root of 2252657688 is about 47462.1711260663. The cubic root of 2252657688 is about 1310.8864283910.

The spelling of 2252657688 in words is "two billion, two hundred fifty-two million, six hundred fifty-seven thousand, six hundred eighty-eight".