22212023625917 has 2 divisors, whose sum is σ = 22212023625918. Its totient is φ = 22212023625916.

The previous prime is 22212023625907. The next prime is 22212023625943. The reversal of 22212023625917 is 71952632021222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11328266331001 + 10883757294916 = 3365749^2 + 3299054^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212023625917 - 2⁶ = 22212023625853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22212023625907) 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 as a sum of consecutive naturals, namely, 11106011812958 + 11106011812959.

It is an arithmetic number, because the mean of its divisors is an integer number (11106011812959).

Almost surely, 2^{22212023625917} is an apocalyptic number.

It is an amenable number.

22212023625917 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212023625917 is an equidigital number, since it uses as much as digits as its factorization.

22212023625917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 22212023625917 in words is "twenty-two trillion, two hundred twelve billion, twenty-three million, six hundred twenty-five thousand, nine hundred seventeen".