2267157765 has 16 divisors (see below), whose sum is σ = 3649177728. Its totient is φ = 1201909056.

The previous prime is 2267157743. The next prime is 2267157779. The reversal of 2267157765 is 5677517622.

It is not a de Polignac number, because 2267157765 - 2⁷ = 2267157637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450022 + ... + 455031.

It is an arithmetic number, because the mean of its divisors is an integer number (228073608).

Almost surely, 2^2267157765 is an apocalyptic number.

It is an amenable number.

2267157765 is a deficient number, since it is larger than the sum of its proper divisors (1382019963).

2267157765 is a wasteful number, since it uses less digits than its factorization.

2267157765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905228.

The product of its digits is 1234800, while the sum is 48.

The square root of 2267157765 is about 47614.6801417378. The cubic root of 2267157765 is about 1313.6930858381.

The spelling of 2267157765 in words is "two billion, two hundred sixty-seven million, one hundred fifty-seven thousand, seven hundred sixty-five".