13222430 has 64 divisors (see below), whose sum is σ = 28159488. Its totient is φ = 4423680.

The previous prime is 13222427. The next prime is 13222439. The reversal of 13222430 is 3422231.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13222399 and 13222408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222439) by changing a digit.

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, 68414 + ... + 68606.

It is an arithmetic number, because the mean of its divisors is an integer number (439992).

Almost surely, 2^13222430 is an apocalyptic number.

13222430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13222430 is an abundant number, since it is smaller than the sum of its proper divisors (14937058).

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

13222430 is a wasteful number, since it uses less digits than its factorization.

13222430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13222430 is about 3636.2659418695. The cubic root of 13222430 is about 236.4669367817.

Adding to 13222430 its reverse (3422231), we get a palindrome (16644661).

The spelling of 13222430 in words is "thirteen million, two hundred twenty-two thousand, four hundred thirty".