23222557815 has 48 divisors (see below), whose sum is σ = 39603797856. Its totient is φ = 11617056000.

The previous prime is 23222557807. The next prime is 23222557819. The reversal of 23222557815 is 51875522232.

It is not a de Polignac number, because 23222557815 - 2³ = 23222557807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222557819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 525685 + ... + 568145.

It is an arithmetic number, because the mean of its divisors is an integer number (825079122).

Almost surely, 2^23222557815 is an apocalyptic number.

23222557815 is a deficient number, since it is larger than the sum of its proper divisors (16381240041).

23222557815 is a wasteful number, since it uses less digits than its factorization.

23222557815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42608 (or 42589 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The spelling of 23222557815 in words is "twenty-three billion, two hundred twenty-two million, five hundred fifty-seven thousand, eight hundred fifteen".