2722500657 has 24 divisors (see below), whose sum is σ = 4071263040. Its totient is φ = 1751053920.

The previous prime is 2722500647. The next prime is 2722500673. The reversal of 2722500657 is 7560052272.

It is not a de Polignac number, because 2722500657 - 2⁸ = 2722500401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2722500637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416182 + ... + 422672.

It is an arithmetic number, because the mean of its divisors is an integer number (169635960).

Almost surely, 2^2722500657 is an apocalyptic number.

It is an amenable number.

2722500657 is a deficient number, since it is larger than the sum of its proper divisors (1348762383).

2722500657 is a wasteful number, since it uses less digits than its factorization.

2722500657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8133 (or 8130 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 2722500657 is about 52177.5876885852. The cubic root of 2722500657 is about 1396.3340581501.

The spelling of 2722500657 in words is "two billion, seven hundred twenty-two million, five hundred thousand, six hundred fifty-seven".