13222394 has 8 divisors (see below), whose sum is σ = 20369748. Its totient is φ = 6432480.

The previous prime is 13222343. The next prime is 13222411. The reversal of 13222394 is 49322231.

It can be written as a sum of positive squares in 2 ways, for example, as 10804369 + 2418025 = 3287^2 + 1555^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 89267 + ... + 89414.

Almost surely, 2^13222394 is an apocalyptic number.

13222394 is a deficient number, since it is larger than the sum of its proper divisors (7147354).

13222394 is a wasteful number, since it uses less digits than its factorization.

13222394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178720.

The product of its digits is 2592, while the sum is 26.

The square root of 13222394 is about 3636.2609917331. The cubic root of 13222394 is about 236.4667221762.

The spelling of 13222394 in words is "thirteen million, two hundred twenty-two thousand, three hundred ninety-four".