13222533 has 8 divisors (see below), whose sum is σ = 17647200. Its totient is φ = 8806448.

The previous prime is 13222511. The next prime is 13222553. The reversal of 13222533 is 33522231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13222533 - 2⁵ = 13222501 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 3838 + ... + 6416.

It is an arithmetic number, because the mean of its divisors is an integer number (2205900).

Almost surely, 2^13222533 is an apocalyptic number.

It is an amenable number.

13222533 is a deficient number, since it is larger than the sum of its proper divisors (4424667).

13222533 is a wasteful number, since it uses less digits than its factorization.

13222533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4291.

The product of its digits is 1080, while the sum is 21.

The square root of 13222533 is about 3636.2801047224. The cubic root of 13222533 is about 236.4675507897.

Adding to 13222533 its reverse (33522231), we get a palindrome (46744764).

The spelling of 13222533 in words is "thirteen million, two hundred twenty-two thousand, five hundred thirty-three".