2250947688 has 128 divisors (see below), whose sum is σ = 6440325120. Its totient is φ = 649416960.

The previous prime is 2250947687. The next prime is 2250947731. The reversal of 2250947688 is 8867490522.

It is a super-2 number, since 2×2250947688² = 10133530988225090688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2250947688.

It is not an unprimeable number, because it can be changed into a prime (2250947687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456645 + ... + 461547.

It is an arithmetic number, because the mean of its divisors is an integer number (50315040).

Almost surely, 2^2250947688 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 2250947688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3220162560).

2250947688 is an abundant number, since it is smaller than the sum of its proper divisors (4189377432).

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

2250947688 is a wasteful number, since it uses less digits than its factorization.

2250947688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007 (or 5003 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 2250947688 is about 47444.1533595026. The cubic root of 2250947688 is about 1310.5546449972.

The spelling of 2250947688 in words is "two billion, two hundred fifty million, nine hundred forty-seven thousand, six hundred eighty-eight".