2251244634 has 32 divisors (see below), whose sum is σ = 4608527616. Its totient is φ = 732813120.

The previous prime is 2251244629. The next prime is 2251244663. The reversal of 2251244634 is 4364421522.

It is a super-2 number, since 2×2251244634² = 10136204804227587912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2251244595 and 2251244604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121344 + ... + 138660.

It is an arithmetic number, because the mean of its divisors is an integer number (144016488).

Almost surely, 2^2251244634 is an apocalyptic number.

2251244634 is an abundant number, since it is smaller than the sum of its proper divisors (2357282982).

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

2251244634 is a wasteful number, since it uses less digits than its factorization.

2251244634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17830.

The product of its digits is 46080, while the sum is 33.

The square root of 2251244634 is about 47447.2826829946. The cubic root of 2251244634 is about 1310.6122721099.

The spelling of 2251244634 in words is "two billion, two hundred fifty-one million, two hundred forty-four thousand, six hundred thirty-four".