22406998499 has 2 divisors, whose sum is σ = 22406998500. Its totient is φ = 22406998498.

The previous prime is 22406998469. The next prime is 22406998501. The reversal of 22406998499 is 99489960422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22406998499 - 2¹² = 22406994403 is a prime.

Together with 22406998501, 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 (22406998469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11203499249 + 11203499250.

It is an arithmetic number, because the mean of its divisors is an integer number (11203499250).

Almost surely, 2^22406998499 is an apocalyptic number.

22406998499 is a deficient number, since it is larger than the sum of its proper divisors (1).

22406998499 is an equidigital number, since it uses as much as digits as its factorization.

22406998499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20155392, while the sum is 62.

The spelling of 22406998499 in words is "twenty-two billion, four hundred six million, nine hundred ninety-eight thousand, four hundred ninety-nine".