252597222819 has 16 divisors (see below), whose sum is σ = 380352833440. Its totient is φ = 165637522080.

The previous prime is 252597222811. The next prime is 252597222821. The reversal of 252597222819 is 918222795252.

252597222819 is a `hidden beast` number, since 2 + 5 + 2 + 597 + 22 + 28 + 1 + 9 = 666.

It is not a de Polignac number, because 252597222819 - 2³ = 252597222811 is a prime.

It is a super-2 number, since 2×252597222819² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252597222811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76682392 + ... + 76685685.

It is an arithmetic number, because the mean of its divisors is an integer number (23772052090).

Almost surely, 2^252597222819 is an apocalyptic number.

252597222819 is a deficient number, since it is larger than the sum of its proper divisors (127755610621).

252597222819 is a wasteful number, since it uses less digits than its factorization.

252597222819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153368147 (or 153368141 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 252597222819 in words is "two hundred fifty-two billion, five hundred ninety-seven million, two hundred twenty-two thousand, eight hundred nineteen".