22552332443 has 4 divisors (see below), whose sum is σ = 22552637520. Its totient is φ = 22552027368.

The previous prime is 22552332433. The next prime is 22552332479. The reversal of 22552332443 is 34423325522.

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 is a cyclic number.

It is not a de Polignac number, because 22552332443 - 2⁴ = 22552332427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22552332403) 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, 36146 + ... + 215432.

It is an arithmetic number, because the mean of its divisors is an integer number (5638159380).

Almost surely, 2^22552332443 is an apocalyptic number.

22552332443 is a deficient number, since it is larger than the sum of its proper divisors (305077).

22552332443 is a wasteful number, since it uses less digits than its factorization.

22552332443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305076.

The product of its digits is 172800, while the sum is 35.

Adding to 22552332443 its reverse (34423325522), we get a palindrome (56975657965).

The spelling of 22552332443 in words is "twenty-two billion, five hundred fifty-two million, three hundred thirty-two thousand, four hundred forty-three".