22073421871857 has 16 divisors (see below), whose sum is σ = 29512383234048. Its totient is φ = 14675048771280.

The previous prime is 22073421871819. The next prime is 22073421871903. The reversal of 22073421871857 is 75817812437022.

It is not a de Polignac number, because 22073421871857 - 2⁸ = 22073421871601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22073421871797 and 22073421871806.

It is not an unprimeable number, because it can be changed into a prime (22073421871057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6485982 + ... + 9285192.

It is an arithmetic number, because the mean of its divisors is an integer number (1844523952128).

Almost surely, 2^{22073421871857} is an apocalyptic number.

It is an amenable number.

22073421871857 is a deficient number, since it is larger than the sum of its proper divisors (7438961362191).

22073421871857 is a wasteful number, since it uses less digits than its factorization.

22073421871857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806460.

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 22073421871857 in words is "twenty-two trillion, seventy-three billion, four hundred twenty-one million, eight hundred seventy-one thousand, eight hundred fifty-seven".