22022099989 has 2 divisors, whose sum is σ = 22022099990. Its totient is φ = 22022099988.

The previous prime is 22022099971. The next prime is 22022100029. The reversal of 22022099989 is 98999022022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16844146225 + 5177953764 = 129785^2 + 71958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22022099989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22022099959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011049994 + 11011049995.

It is an arithmetic number, because the mean of its divisors is an integer number (11011049995).

Almost surely, 2^22022099989 is an apocalyptic number.

It is an amenable number.

22022099989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022099989 is an equidigital number, since it uses as much as digits as its factorization.

22022099989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 22022099989 in words is "twenty-two billion, twenty-two million, ninety-nine thousand, nine hundred eighty-nine".