22143515199 has 16 divisors (see below), whose sum is σ = 31806735072. Its totient is φ = 13622099328.

The previous prime is 22143515183. The next prime is 22143515221. The reversal of 22143515199 is 99151534122.

It is not a de Polignac number, because 22143515199 - 2⁴ = 22143515183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22143515199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143515159) 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, 19317 + ... + 211329.

It is an arithmetic number, because the mean of its divisors is an integer number (1987920942).

Almost surely, 2^22143515199 is an apocalyptic number.

22143515199 is a deficient number, since it is larger than the sum of its proper divisors (9663219873).

22143515199 is a wasteful number, since it uses less digits than its factorization.

22143515199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194986.

The product of its digits is 97200, while the sum is 42.

The spelling of 22143515199 in words is "twenty-two billion, one hundred forty-three million, five hundred fifteen thousand, one hundred ninety-nine".