2273551660 has 12 divisors (see below), whose sum is σ = 4774458528. Its totient is φ = 909420656.

The previous prime is 2273551649. The next prime is 2273551663. The reversal of 2273551660 is 661553722.

It is not an unprimeable number, because it can be changed into a prime (2273551663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56838772 + ... + 56838811.

It is an arithmetic number, because the mean of its divisors is an integer number (397871544).

Almost surely, 2^2273551660 is an apocalyptic number.

2273551660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273551660 is an abundant number, since it is smaller than the sum of its proper divisors (2500906868).

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

2273551660 is a wasteful number, since it uses less digits than its factorization.

2273551660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113677592 (or 113677590 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 2273551660 is about 47681.7749250172. The cubic root of 2273551660 is about 1314.9268967154.

The spelling of 2273551660 in words is "two billion, two hundred seventy-three million, five hundred fifty-one thousand, six hundred sixty".