2261127828 has 24 divisors (see below), whose sum is σ = 5324371360. Its totient is φ = 746794080.

The previous prime is 2261127811. The next prime is 2261127829. The reversal of 2261127828 is 8287211622.

It is a super-2 number, since 2×2261127828² = 10225398109111995168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261127829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863038 + ... + 865653.

Almost surely, 2^2261127828 is an apocalyptic number.

It is an amenable number.

2261127828 is an abundant number, since it is smaller than the sum of its proper divisors (3063243532).

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

2261127828 is a wasteful number, since it uses less digits than its factorization.

2261127828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728807 (or 1728805 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 2261127828 is about 47551.3178366278. The cubic root of 2261127828 is about 1312.5273796012.

The spelling of 2261127828 in words is "two billion, two hundred sixty-one million, one hundred twenty-seven thousand, eight hundred twenty-eight".