22168550169329 has 2 divisors, whose sum is σ = 22168550169330. Its totient is φ = 22168550169328.

The previous prime is 22168550169221. The next prime is 22168550169343. The reversal of 22168550169329 is 92396105586122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21408249879025 + 760300290304 = 4626905^2 + 871952^2 .

It is a cyclic number.

It is not a de Polignac number, because 22168550169329 - 2⁴⁰ = 21069038541553 is a prime.

It is a super-2 number, since 2×22168550169329² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22168550169379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11084275084664 + 11084275084665.

It is an arithmetic number, because the mean of its divisors is an integer number (11084275084665).

Almost surely, 2^{22168550169329} is an apocalyptic number.

It is an amenable number.

22168550169329 is a deficient number, since it is larger than the sum of its proper divisors (1).

22168550169329 is an equidigital number, since it uses as much as digits as its factorization.

22168550169329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13996800, while the sum is 59.

The spelling of 22168550169329 in words is "twenty-two trillion, one hundred sixty-eight billion, five hundred fifty million, one hundred sixty-nine thousand, three hundred twenty-nine".