2275129900 has 36 divisors (see below), whose sum is σ = 4939848760. Its totient is φ = 909532800.

The previous prime is 2275129877. The next prime is 2275129903. The reversal of 2275129900 is 99215722.

It is a self number, because there is not a number n which added to its sum of digits gives 2275129900.

It is not an unprimeable number, because it can be changed into a prime (2275129903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203455 + ... + 214345.

Almost surely, 2^2275129900 is an apocalyptic number.

2275129900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2275129900 is an abundant number, since it is smaller than the sum of its proper divisors (2664718860).

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

2275129900 is a wasteful number, since it uses less digits than its factorization.

2275129900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12994 (or 12987 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 2275129900 is about 47698.3217734125. The cubic root of 2275129900 is about 1315.2310889399.

The spelling of 2275129900 in words is "two billion, two hundred seventy-five million, one hundred twenty-nine thousand, nine hundred".