22420333068557 has 2 divisors, whose sum is σ = 22420333068558. Its totient is φ = 22420333068556.

The previous prime is 22420333068517. The next prime is 22420333068583. The reversal of 22420333068557 is 75586033302422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11576128421641 + 10844204646916 = 3402371^2 + 3293054^2 .

It is a cyclic number.

It is not a de Polignac number, because 22420333068557 - 2⁶ = 22420333068493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22420333068517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210166534278 + 11210166534279.

It is an arithmetic number, because the mean of its divisors is an integer number (11210166534279).

Almost surely, 2^{22420333068557} is an apocalyptic number.

It is an amenable number.

22420333068557 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420333068557 is an equidigital number, since it uses as much as digits as its factorization.

22420333068557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 50.

The spelling of 22420333068557 in words is "twenty-two trillion, four hundred twenty billion, three hundred thirty-three million, sixty-eight thousand, five hundred fifty-seven".