2257152767 has 4 divisors (see below), whose sum is σ = 2265482016. Its totient is φ = 2248823520.

The previous prime is 2257152743. The next prime is 2257152797. The reversal of 2257152767 is 7672517522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2257152767 - 2⁸ = 2257152511 is a prime.

It is a super-2 number, since 2×2257152767² = 10189477227151512578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257152797) 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, 4164218 + ... + 4164759.

It is an arithmetic number, because the mean of its divisors is an integer number (566370504).

Almost surely, 2^2257152767 is an apocalyptic number.

2257152767 is a deficient number, since it is larger than the sum of its proper divisors (8329249).

2257152767 is an equidigital number, since it uses as much as digits as its factorization.

2257152767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329248.

The product of its digits is 411600, while the sum is 44.

The square root of 2257152767 is about 47509.5018601542. The cubic root of 2257152767 is about 1311.7577877329.

The spelling of 2257152767 in words is "two billion, two hundred fifty-seven million, one hundred fifty-two thousand, seven hundred sixty-seven".