13222310 has 16 divisors (see below), whose sum is σ = 23849856. Its totient is φ = 5277888.

The previous prime is 13222303. The next prime is 13222327. The reversal of 13222310 is 1322231.

It is a happy number.

It is a super-2 number, since 2×13222310² = 349658963472200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 5099 + ... + 7241.

It is an arithmetic number, because the mean of its divisors is an integer number (1490616).

Almost surely, 2^13222310 is an apocalyptic number.

13222310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13222310 is a deficient number, since it is larger than the sum of its proper divisors (10627546).

13222310 is a wasteful number, since it uses less digits than its factorization.

13222310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767.

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

The square root of 13222310 is about 3636.2494413888. The cubic root of 13222310 is about 236.4662214286.

Adding to 13222310 its reverse (1322231), we get a palindrome (14544541).

The spelling of 13222310 in words is "thirteen million, two hundred twenty-two thousand, three hundred ten".