2252931660 has 72 divisors (see below), whose sum is σ = 7810167456. Its totient is φ = 514955520.

The previous prime is 2252931649. The next prime is 2252931679. The reversal of 2252931660 is 661392522.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 892761 + ... + 895280.

It is an arithmetic number, because the mean of its divisors is an integer number (108474548).

Almost surely, 2^2252931660 is an apocalyptic number.

2252931660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252931660 is an abundant number, since it is smaller than the sum of its proper divisors (5557235796).

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

2252931660 is a wasteful number, since it uses less digits than its factorization.

2252931660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788063 (or 1788058 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 2252931660 is about 47465.0572526780. The cubic root of 2252931660 is about 1310.9395703041.

The spelling of 2252931660 in words is "two billion, two hundred fifty-two million, nine hundred thirty-one thousand, six hundred sixty".