13222543 has 12 divisors (see below), whose sum is σ = 13948264. Its totient is φ = 12524400.

The previous prime is 13222511. The next prime is 13222553. The reversal of 13222543 is 34522231.

13222543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13222543 - 2⁵ = 13222511 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186198 + ... + 186268.

Almost surely, 2^13222543 is an apocalyptic number.

13222543 is a deficient number, since it is larger than the sum of its proper divisors (725721).

13222543 is an frugal number, since it uses more digits than its factorization.

13222543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 175 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 13222543 is about 3636.2814797537. The cubic root of 13222543 is about 236.4676104019.

Adding to 13222543 its reverse (34522231), we get a palindrome (47744774).

The spelling of 13222543 in words is "thirteen million, two hundred twenty-two thousand, five hundred forty-three".