22532223523 has 4 divisors (see below), whose sum is σ = 22738941280. Its totient is φ = 22325505768.

The previous prime is 22532223509. The next prime is 22532223533. The reversal of 22532223523 is 32532223522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32532223522 = 2 ⋅16266111761.

It is a cyclic number.

It is not a de Polignac number, because 22532223523 - 2⁵ = 22532223491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22532223533) 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 3 ways as a sum of consecutive naturals, for example, 103358715 + ... + 103358932.

It is an arithmetic number, because the mean of its divisors is an integer number (5684735320).

Almost surely, 2^22532223523 is an apocalyptic number.

22532223523 is a deficient number, since it is larger than the sum of its proper divisors (206717757).

22532223523 is a wasteful number, since it uses less digits than its factorization.

22532223523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206717756.

The product of its digits is 43200, while the sum is 31.

Subtracting 22532223523 from its reverse (32532223522), we obtain a palindrome (9999999999).

The spelling of 22532223523 in words is "twenty-two billion, five hundred thirty-two million, two hundred twenty-three thousand, five hundred twenty-three".