2261127836 has 24 divisors (see below), whose sum is σ = 4323424896. Its totient is φ = 1026183920.

The previous prime is 2261127829. The next prime is 2261127863. The reversal of 2261127836 is 6387211622.

It is a happy number.

It is a super-2 number, since 2×2261127836² = 10225398181468085792, 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 2261127836.

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 7 ways as a sum of consecutive naturals, for example, 11246 + ... + 68181.

It is an arithmetic number, because the mean of its divisors is an integer number (180142704).

Almost surely, 2^2261127836 is an apocalyptic number.

It is an amenable number.

2261127836 is a deficient number, since it is larger than the sum of its proper divisors (2062297060).

2261127836 is a wasteful number, since it uses less digits than its factorization.

2261127836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80089 (or 80087 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 2261127836 is about 47551.3179207475. The cubic root of 2261127836 is about 1312.5273811491.

The spelling of 2261127836 in words is "two billion, two hundred sixty-one million, one hundred twenty-seven thousand, eight hundred thirty-six".