22857142468815 has 24 divisors (see below), whose sum is σ = 39619230101568. Its totient is φ = 12190419627840.

The previous prime is 22857142468801. The next prime is 22857142468817. The reversal of 22857142468815 is 51886424175822.

22857142468815 is a `hidden beast` number, since 2 + 2 + 8 + 5 + 71 + 424 + 68 + 81 + 5 = 666.

It is not a de Polignac number, because 22857142468815 - 2⁴ = 22857142468799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22857142468817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9794202 + ... + 11901288.

It is an arithmetic number, because the mean of its divisors is an integer number (1650801254232).

Almost surely, 2^{22857142468815} is an apocalyptic number.

22857142468815 is a deficient number, since it is larger than the sum of its proper divisors (16762087632753).

22857142468815 is a wasteful number, since it uses less digits than its factorization.

22857142468815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348159 (or 2348156 counting only the distinct ones).

The product of its digits is 68812800, while the sum is 63.

The spelling of 22857142468815 in words is "twenty-two trillion, eight hundred fifty-seven billion, one hundred forty-two million, four hundred sixty-eight thousand, eight hundred fifteen".