13236222 has 16 divisors (see below), whose sum is σ = 26548992. Its totient is φ = 4399320.

The previous prime is 13236203. The next prime is 13236227. The reversal of 13236222 is 22263231.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13236227) 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, 804 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (1659312).

Almost surely, 2^13236222 is an apocalyptic number.

13236222 is an abundant number, since it is smaller than the sum of its proper divisors (13312770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13236222 is a wasteful number, since it uses less digits than its factorization.

13236222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383.

The product of its digits is 864, while the sum is 21.

The square root of 13236222 is about 3638.1618985416. The cubic root of 13236222 is about 236.5491258776.

Adding to 13236222 its reverse (22263231), we get a palindrome (35499453).

It can be divided in two parts, 13236 and 222, that multiplied together give a palindrome (2938392).

The spelling of 13236222 in words is "thirteen million, two hundred thirty-six thousand, two hundred twenty-two".