22010122009 has 2 divisors, whose sum is σ = 22010122010. Its totient is φ = 22010122008.

The previous prime is 22010121997. The next prime is 22010122061. The reversal of 22010122009 is 90022101022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16730646409 + 5279475600 = 129347^2 + 72660^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010122009 - 2⁵ = 22010121977 is a prime.

It is not a weakly prime, because it can be changed into another prime (22010125009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005061004 + 11005061005.

It is an arithmetic number, because the mean of its divisors is an integer number (11005061005).

Almost surely, 2^22010122009 is an apocalyptic number.

It is an amenable number.

22010122009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010122009 is an equidigital number, since it uses as much as digits as its factorization.

22010122009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 22010122009 in words is "twenty-two billion, ten million, one hundred twenty-two thousand, nine".