22315633897 has 16 divisors (see below), whose sum is σ = 23055943680. Its totient is φ = 21589443472.

The previous prime is 22315633883. The next prime is 22315633927. The reversal of 22315633897 is 79833651322.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22315633897 is a prime.

It is a super-3 number, since 3×22315633897³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22315633897.

It is not an unprimeable number, because it can be changed into a prime (22315633997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279248 + ... + 1296574.

It is an arithmetic number, because the mean of its divisors is an integer number (1440996480).

Almost surely, 2^22315633897 is an apocalyptic number.

It is an amenable number.

22315633897 is a deficient number, since it is larger than the sum of its proper divisors (740309783).

22315633897 is a wasteful number, since it uses less digits than its factorization.

22315633897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17732.

The product of its digits is 1632960, while the sum is 49.

The spelling of 22315633897 in words is "twenty-two billion, three hundred fifteen million, six hundred thirty-three thousand, eight hundred ninety-seven".