13222230 has 64 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 2980224.

The previous prime is 13222229. The next prime is 13222267. The reversal of 13222230 is 3222231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16192 + ... + 16988.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^13222230 is an apocalyptic number.

13222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13222230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18385920).

13222230 is an abundant number, since it is smaller than the sum of its proper divisors (23549610).

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

13222230 is a wasteful number, since it uses less digits than its factorization.

13222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13222230 is about 3636.2384410267. The cubic root of 13222230 is about 236.4657445242.

Adding to 13222230 its reverse (3222231), we get a palindrome (16444461).

Subtracting from 13222230 its reverse (3222231), we obtain a palindrome (9999999).

The spelling of 13222230 in words is "thirteen million, two hundred twenty-two thousand, two hundred thirty".