22022110012909 has 2 divisors, whose sum is σ = 22022110012910. Its totient is φ = 22022110012908.

The previous prime is 22022110012879. The next prime is 22022110012921. The reversal of 22022110012909 is 90921001122022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20745492497284 + 1276617515625 = 4554722^2 + 1129875^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022110012909 - 2¹³ = 22022110004717 is a prime.

It is a super-2 number, since 2×22022110012909² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22022110022909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011055006454 + 11011055006455.

It is an arithmetic number, because the mean of its divisors is an integer number (11011055006455).

Almost surely, 2^{22022110012909} is an apocalyptic number.

It is an amenable number.

22022110012909 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022110012909 is an equidigital number, since it uses as much as digits as its factorization.

22022110012909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 22022110012909 in words is "twenty-two trillion, twenty-two billion, one hundred ten million, twelve thousand, nine hundred nine".