22998775406 has 36 divisors (see below), whose sum is σ = 35691197472. Its totient is φ = 11114636904.

The previous prime is 22998775399. The next prime is 22998775417. The reversal of 22998775406 is 60457789922.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 103133411 + ... + 103133633.

It is an arithmetic number, because the mean of its divisors is an integer number (991422152).

Almost surely, 2^22998775406 is an apocalyptic number.

22998775406 is a deficient number, since it is larger than the sum of its proper divisors (12692422066).

22998775406 is an equidigital number, since it uses as much as digits as its factorization.

22998775406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 22998775406 in words is "twenty-two billion, nine hundred ninety-eight million, seven hundred seventy-five thousand, four hundred six".