2251775660 has 12 divisors (see below), whose sum is σ = 4728728928. Its totient is φ = 900710256.

The previous prime is 2251775657. The next prime is 2251775677. The reversal of 2251775660 is 665771522.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 56294372 + ... + 56294411.

It is an arithmetic number, because the mean of its divisors is an integer number (394060744).

Almost surely, 2^2251775660 is an apocalyptic number.

2251775660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251775660 is an abundant number, since it is smaller than the sum of its proper divisors (2476953268).

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

2251775660 is a wasteful number, since it uses less digits than its factorization.

2251775660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112588792 (or 112588790 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 2251775660 is about 47452.8783110150. The cubic root of 2251775660 is about 1310.7153135515.

The spelling of 2251775660 in words is "two billion, two hundred fifty-one million, seven hundred seventy-five thousand, six hundred sixty".