22204028336891 has 2 divisors, whose sum is σ = 22204028336892. Its totient is φ = 22204028336890.

The previous prime is 22204028336857. The next prime is 22204028336911. The reversal of 22204028336891 is 19863382040222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22204028336891 is a prime.

It is not a weakly prime, because it can be changed into another prime (22204028336291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11102014168445 + 11102014168446.

It is an arithmetic number, because the mean of its divisors is an integer number (11102014168446).

Almost surely, 2^{22204028336891} is an apocalyptic number.

22204028336891 is a deficient number, since it is larger than the sum of its proper divisors (1).

22204028336891 is an equidigital number, since it uses as much as digits as its factorization.

22204028336891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 22204028336891 in words is "twenty-two trillion, two hundred four billion, twenty-eight million, three hundred thirty-six thousand, eight hundred ninety-one".