22010199989 has 2 divisors, whose sum is σ = 22010199990. Its totient is φ = 22010199988.

The previous prime is 22010199979. The next prime is 22010200019. The reversal of 22010199989 is 98999101022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16320062500 + 5690137489 = 127750^2 + 75433^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010199989 - 2⁴ = 22010199973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22010199929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005099994 + 11005099995.

It is an arithmetic number, because the mean of its divisors is an integer number (11005099995).

Almost surely, 2^22010199989 is an apocalyptic number.

It is an amenable number.

22010199989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010199989 is an equidigital number, since it uses as much as digits as its factorization.

22010199989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 50.

The spelling of 22010199989 in words is "twenty-two billion, ten million, one hundred ninety-nine thousand, nine hundred eighty-nine".