22290230489 has 2 divisors, whose sum is σ = 22290230490. Its totient is φ = 22290230488.

The previous prime is 22290230471. The next prime is 22290230491. The reversal of 22290230489 is 98403209222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14175283600 + 8114946889 = 119060^2 + 90083^2 .

It is a cyclic number.

It is not a de Polignac number, because 22290230489 - 2⁸ = 22290230233 is a prime.

Together with 22290230491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22220230489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11145115244 + 11145115245.

It is an arithmetic number, because the mean of its divisors is an integer number (11145115245).

Almost surely, 2^22290230489 is an apocalyptic number.

It is an amenable number.

22290230489 is a deficient number, since it is larger than the sum of its proper divisors (1).

22290230489 is an equidigital number, since it uses as much as digits as its factorization.

22290230489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 22290230489 in words is "twenty-two billion, two hundred ninety million, two hundred thirty thousand, four hundred eighty-nine".