22221022210169 has 2 divisors, whose sum is σ = 22221022210170. Its totient is φ = 22221022210168.

The previous prime is 22221022210111. The next prime is 22221022210181. The reversal of 22221022210169 is 96101222012222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12792210624400 + 9428811585769 = 3576620^2 + 3070637^2 .

It is a cyclic number.

It is not a de Polignac number, because 22221022210169 - 2³⁶ = 22152302733433 is a prime.

It is a super-2 number, since 2×22221022210169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22221022218169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110511105084 + 11110511105085.

It is an arithmetic number, because the mean of its divisors is an integer number (11110511105085).

Almost surely, 2^{22221022210169} is an apocalyptic number.

It is an amenable number.

22221022210169 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221022210169 is an equidigital number, since it uses as much as digits as its factorization.

22221022210169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 22221022210169 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-two million, two hundred ten thousand, one hundred sixty-nine".