2252640771 has 24 divisors (see below), whose sum is σ = 3344328624. Its totient is φ = 1460047680.

The previous prime is 2252640751. The next prime is 2252640773. The reversal of 2252640771 is 1770462522.

It is a happy number.

2252640771 is a `hidden beast` number, since 2 + 2 + 5 + 2 + 640 + 7 + 7 + 1 = 666.

It is not a de Polignac number, because 2252640771 - 2²² = 2248446467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2252640773) 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, 823476 + ... + 826206.

It is an arithmetic number, because the mean of its divisors is an integer number (139347026).

Almost surely, 2^2252640771 is an apocalyptic number.

2252640771 is a deficient number, since it is larger than the sum of its proper divisors (1091687853).

2252640771 is a wasteful number, since it uses less digits than its factorization.

2252640771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251 (or 5248 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 2252640771 is about 47461.9929101170. The cubic root of 2252640771 is about 1310.8831468861.

The spelling of 2252640771 in words is "two billion, two hundred fifty-two million, six hundred forty thousand, seven hundred seventy-one".