22153353217 has 16 divisors (see below), whose sum is σ = 22718592000. Its totient is φ = 21595202640.

The previous prime is 22153353181. The next prime is 22153353251. The reversal of 22153353217 is 71235335122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22153353217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22153351217) 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, 3648418 + ... + 3654484.

It is an arithmetic number, because the mean of its divisors is an integer number (1419912000).

Almost surely, 2^22153353217 is an apocalyptic number.

It is an amenable number.

22153353217 is a deficient number, since it is larger than the sum of its proper divisors (565238783).

22153353217 is a wasteful number, since it uses less digits than its factorization.

22153353217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636.

The product of its digits is 37800, while the sum is 34.

Adding to 22153353217 its reverse (71235335122), we get a palindrome (93388688339).

The spelling of 22153353217 in words is "twenty-two billion, one hundred fifty-three million, three hundred fifty-three thousand, two hundred seventeen".