22122099999 has 32 divisors (see below), whose sum is σ = 34335713280. Its totient is φ = 14059267200.

The previous prime is 22122099977. The next prime is 22122100027. The reversal of 22122099999 is 99999022122.

It is not a de Polignac number, because 22122099999 - 2⁷ = 22122099871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122097999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141162 + ... + 253319.

It is an arithmetic number, because the mean of its divisors is an integer number (1072991040).

Almost surely, 2^22122099999 is an apocalyptic number.

22122099999 is a deficient number, since it is larger than the sum of its proper divisors (12213613281).

22122099999 is a wasteful number, since it uses less digits than its factorization.

22122099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394588 (or 394582 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 54.

The spelling of 22122099999 in words is "twenty-two billion, one hundred twenty-two million, ninety-nine thousand, nine hundred ninety-nine".