13033222 has 4 divisors (see below), whose sum is σ = 19549836. Its totient is φ = 6516610.

The previous prime is 13033193. The next prime is 13033261. The reversal of 13033222 is 22233031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22233031 = 4507 ⋅4933.

It is a junction number, because it is equal to n+sod(n) for n = 13033196 and 13033205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3258304 + ... + 3258307.

It is an arithmetic number, because the mean of its divisors is an integer number (4887459).

Almost surely, 2^13033222 is an apocalyptic number.

13033222 is a deficient number, since it is larger than the sum of its proper divisors (6516614).

13033222 is an equidigital number, since it uses as much as digits as its factorization.

13033222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516613.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13033222 is about 3610.1553983174. The cubic root of 13033222 is about 235.3335959322. Note that the first 3 decimals are identical.

Adding to 13033222 its reverse (22233031), we get a palindrome (35266253).

The spelling of 13033222 in words is "thirteen million, thirty-three thousand, two hundred twenty-two".