2251831080 has 64 divisors (see below), whose sum is σ = 6765773760. Its totient is φ = 599574528.

The previous prime is 2251831039. The next prime is 2251831081. The reversal of 2251831080 is 801381522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2251831081) 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 15 ways as a sum of consecutive naturals, for example, 66819 + ... + 94701.

It is an arithmetic number, because the mean of its divisors is an integer number (105715215).

Almost surely, 2^2251831080 is an apocalyptic number.

2251831080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251831080 is an abundant number, since it is smaller than the sum of its proper divisors (4513942680).

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

2251831080 is a wasteful number, since it uses less digits than its factorization.

2251831080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28570 (or 28566 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2251831080 is about 47453.4622551400. The cubic root of 2251831080 is about 1310.7260664354.

The spelling of 2251831080 in words is "two billion, two hundred fifty-one million, eight hundred thirty-one thousand, eighty".