22220990117 has 2 divisors, whose sum is σ = 22220990118. Its totient is φ = 22220990116.

The previous prime is 22220990111. The next prime is 22220990153. The reversal of 22220990117 is 71109902222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20211171556 + 2009818561 = 142166^2 + 44831^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220990117 - 2¹⁶ = 22220924581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220990111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110495058 + 11110495059.

It is an arithmetic number, because the mean of its divisors is an integer number (11110495059).

Almost surely, 2^22220990117 is an apocalyptic number.

It is an amenable number.

22220990117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220990117 is an equidigital number, since it uses as much as digits as its factorization.

22220990117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 22220990117 in words is "twenty-two billion, two hundred twenty million, nine hundred ninety thousand, one hundred seventeen".