13222233 has 12 divisors (see below), whose sum is σ = 20104240. Its totient is φ = 8350776.

The previous prime is 13222229. The next prime is 13222267. The reversal of 13222233 is 33222231.

It is a happy number.

It is not a de Polignac number, because 13222233 - 2² = 13222229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38491 + ... + 38832.

Almost surely, 2^13222233 is an apocalyptic number.

It is an amenable number.

13222233 is a deficient number, since it is larger than the sum of its proper divisors (6882007).

13222233 is a wasteful number, since it uses less digits than its factorization.

13222233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77348 (or 77345 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 13222233 is about 3636.2388535408. The cubic root of 13222233 is about 236.4657624081.

Adding to 13222233 its reverse (33222231), we get a palindrome (46444464).

The spelling of 13222233 in words is "thirteen million, two hundred twenty-two thousand, two hundred thirty-three".