2261125244 has 96 divisors (see below), whose sum is σ = 4943769600. Its totient is φ = 883975680.

The previous prime is 2261125231. The next prime is 2261125289. The reversal of 2261125244 is 4425211622.

It is a super-2 number, since 2×2261125244² = 10225374738108119072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1081352 + ... + 1083440.

It is an arithmetic number, because the mean of its divisors is an integer number (51497600).

Almost surely, 2^2261125244 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 2261125244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2471884800).

2261125244 is an abundant number, since it is smaller than the sum of its proper divisors (2682644356).

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

2261125244 is a wasteful number, since it uses less digits than its factorization.

2261125244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2201 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 2261125244 is about 47551.2906659746. The cubic root of 2261125244 is about 1312.5268796188.

Adding to 2261125244 its reverse (4425211622), we get a palindrome (6686336866).

The spelling of 2261125244 in words is "two billion, two hundred sixty-one million, one hundred twenty-five thousand, two hundred forty-four".