22145199999 has 16 divisors (see below), whose sum is σ = 31801023072. Its totient is φ = 13626620928.

The previous prime is 22145199983. The next prime is 22145200001. The reversal of 22145199999 is 99999154122.

It is not a de Polignac number, because 22145199999 - 2⁴ = 22145199983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145199799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674779 + ... + 706835.

It is an arithmetic number, because the mean of its divisors is an integer number (1987563942).

Almost surely, 2^22145199999 is an apocalyptic number.

22145199999 is a deficient number, since it is larger than the sum of its proper divisors (9655823073).

22145199999 is a wasteful number, since it uses less digits than its factorization.

22145199999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49786.

The product of its digits is 4723920, while the sum is 60.

The spelling of 22145199999 in words is "twenty-two billion, one hundred forty-five million, one hundred ninety-nine thousand, nine hundred ninety-nine".