22085215299 has 40 divisors (see below), whose sum is σ = 37975956480. Its totient is φ = 12529286064.

The previous prime is 22085215283. The next prime is 22085215303. The reversal of 22085215299 is 99251258022.

It is a happy number.

22085215299 is a `hidden beast` number, since 2 + 20 + 85 + 21 + 529 + 9 = 666.

It is not a de Polignac number, because 22085215299 - 2⁴ = 22085215283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22085216299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61299 + ... + 218924.

It is an arithmetic number, because the mean of its divisors is an integer number (949398912).

Almost surely, 2^22085215299 is an apocalyptic number.

22085215299 is a deficient number, since it is larger than the sum of its proper divisors (15890741181).

22085215299 is a wasteful number, since it uses less digits than its factorization.

22085215299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280381 (or 280372 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 22085215299 in words is "twenty-two billion, eighty-five million, two hundred fifteen thousand, two hundred ninety-nine".