2257572660 has 48 divisors (see below), whose sum is σ = 7224233856. Its totient is φ = 516016512.

The previous prime is 2257572641. The next prime is 2257572661. The reversal of 2257572660 is 662757522.

2257572660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257572661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2687167 + ... + 2688006.

It is an arithmetic number, because the mean of its divisors is an integer number (150504872).

Almost surely, 2^2257572660 is an apocalyptic number.

2257572660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2257572660 is an abundant number, since it is smaller than the sum of its proper divisors (4966661196).

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

2257572660 is a wasteful number, since it uses less digits than its factorization.

2257572660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375192 (or 5375190 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 2257572660 is about 47513.9206969915. The cubic root of 2257572660 is about 1311.8391237963.

The spelling of 2257572660 in words is "two billion, two hundred fifty-seven million, five hundred seventy-two thousand, six hundred sixty".