22633520393 has 4 divisors (see below), whose sum is σ = 24691113168. Its totient is φ = 20575927620.

The previous prime is 22633520387. The next prime is 22633520443. The reversal of 22633520393 is 39302533622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22633520393 - 2²⁰ = 22632471817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22633520363) 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, 1028796371 + ... + 1028796392.

It is an arithmetic number, because the mean of its divisors is an integer number (6172778292).

Almost surely, 2^22633520393 is an apocalyptic number.

It is an amenable number.

22633520393 is a deficient number, since it is larger than the sum of its proper divisors (2057592775).

22633520393 is a wasteful number, since it uses less digits than its factorization.

22633520393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057592774.

The product of its (nonzero) digits is 174960, while the sum is 38.

The spelling of 22633520393 in words is "twenty-two billion, six hundred thirty-three million, five hundred twenty thousand, three hundred ninety-three".