22304215133 has 4 divisors (see below), whose sum is σ = 22304515068. Its totient is φ = 22303915200.

The previous prime is 22304215069. The next prime is 22304215139. The reversal of 22304215133 is 33151240322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5913302404 + 16390912729 = 76898^2 + 128027^2 .

It is a cyclic number.

It is not a de Polignac number, because 22304215133 - 2⁶ = 22304215069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22304215139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54533 + ... + 218133.

It is an arithmetic number, because the mean of its divisors is an integer number (5576128767).

Almost surely, 2^22304215133 is an apocalyptic number.

It is an amenable number.

22304215133 is a deficient number, since it is larger than the sum of its proper divisors (299935).

22304215133 is a wasteful number, since it uses less digits than its factorization.

22304215133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299934.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 22304215133 its reverse (33151240322), we get a palindrome (55455455455).

The spelling of 22304215133 in words is "twenty-two billion, three hundred four million, two hundred fifteen thousand, one hundred thirty-three".