22200000989 has 2 divisors, whose sum is σ = 22200000990. Its totient is φ = 22200000988.

The previous prime is 22200000983. The next prime is 22200001003. The reversal of 22200000989 is 98900000222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19309325764 + 2890675225 = 138958^2 + 53765^2 .

It is a cyclic number.

It is not a de Polignac number, because 22200000989 - 2³² = 17905033693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22200000983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100000494 + 11100000495.

It is an arithmetic number, because the mean of its divisors is an integer number (11100000495).

Almost surely, 2^22200000989 is an apocalyptic number.

It is an amenable number.

22200000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200000989 is an equidigital number, since it uses as much as digits as its factorization.

22200000989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 22200000989 in words is "twenty-two billion, two hundred million, nine hundred eighty-nine", and thus it is an aban number.