57222587165 has 4 divisors (see below), whose sum is σ = 68667104604. Its totient is φ = 45778069728.

The previous prime is 57222587159. The next prime is 57222587203. The reversal of 57222587165 is 56178522275.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44834674564 + 12387912601 = 211742^2 + 111301^2 .

It is a cyclic number.

It is not a de Polignac number, because 57222587165 - 2¹⁸ = 57222325021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5722258712 + ... + 5722258721.

It is an arithmetic number, because the mean of its divisors is an integer number (17166776151).

Almost surely, 2^57222587165 is an apocalyptic number.

It is an amenable number.

57222587165 is a deficient number, since it is larger than the sum of its proper divisors (11444517439).

57222587165 is a wasteful number, since it uses less digits than its factorization.

57222587165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11444517438.

The product of its digits is 2352000, while the sum is 50.

The spelling of 57222587165 in words is "fifty-seven billion, two hundred twenty-two million, five hundred eighty-seven thousand, one hundred sixty-five".