13130222 has 32 divisors (see below), whose sum is σ = 24406272. Its totient is φ = 5169024.

The previous prime is 13130177. The next prime is 13130231. The reversal of 13130222 is 22203131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 13130197 and 13130206.

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 in 15 ways as a sum of consecutive naturals, for example, 9593 + ... + 10875.

It is an arithmetic number, because the mean of its divisors is an integer number (762696).

Almost surely, 2^13130222 is an apocalyptic number.

13130222 is a deficient number, since it is larger than the sum of its proper divisors (11276050).

13130222 is a wasteful number, since it uses less digits than its factorization.

13130222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13130222 is about 3623.5648193457. The cubic root of 13130222 is about 235.9159784208.

Adding to 13130222 its reverse (22203131), we get a palindrome (35333353).

The spelling of 13130222 in words is "thirteen million, one hundred thirty thousand, two hundred twenty-two".