22856375856901 has 2 divisors, whose sum is σ = 22856375856902. Its totient is φ = 22856375856900.

The previous prime is 22856375856829. The next prime is 22856375856953. The reversal of 22856375856901 is 10965857365822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14888994607876 + 7967381249025 = 3858626^2 + 2822655^2 .

It is a cyclic number.

It is not a de Polignac number, because 22856375856901 - 2¹⁹ = 22856375332613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22856375856001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11428187928450 + 11428187928451.

It is an arithmetic number, because the mean of its divisors is an integer number (11428187928451).

Almost surely, 2^{22856375856901} is an apocalyptic number.

It is an amenable number.

22856375856901 is a deficient number, since it is larger than the sum of its proper divisors (1).

22856375856901 is an equidigital number, since it uses as much as digits as its factorization.

22856375856901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728000, while the sum is 67.

The spelling of 22856375856901 in words is "twenty-two trillion, eight hundred fifty-six billion, three hundred seventy-five million, eight hundred fifty-six thousand, nine hundred one".