22001402355797 has 2 divisors, whose sum is σ = 22001402355798. Its totient is φ = 22001402355796.

The previous prime is 22001402355781. The next prime is 22001402355839. The reversal of 22001402355797 is 79755320410022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21617608476676 + 383793879121 = 4649474^2 + 619511^2 .

It is a cyclic number.

It is not a de Polignac number, because 22001402355797 - 2⁴ = 22001402355781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22001402358797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000701177898 + 11000701177899.

It is an arithmetic number, because the mean of its divisors is an integer number (11000701177899).

Almost surely, 2^{22001402355797} is an apocalyptic number.

It is an amenable number.

22001402355797 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001402355797 is an equidigital number, since it uses as much as digits as its factorization.

22001402355797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 22001402355797 in words is "twenty-two trillion, one billion, four hundred two million, three hundred fifty-five thousand, seven hundred ninety-seven".