13522226 has 8 divisors (see below), whose sum is σ = 20349084. Its totient is φ = 6739200.

The previous prime is 13522219. The next prime is 13522237. The reversal of 13522226 is 62222531.

13522226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13315201 + 207025 = 3649^2 + 455^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10175 + ... + 11426.

Almost surely, 2^13522226 is an apocalyptic number.

13522226 is a deficient number, since it is larger than the sum of its proper divisors (6826858).

13522226 is a wasteful number, since it uses less digits than its factorization.

13522226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21916.

The product of its digits is 1440, while the sum is 23.

The square root of 13522226 is about 3677.2579458069. The cubic root of 13522226 is about 238.2407586519.

Adding to 13522226 its reverse (62222531), we get a palindrome (75744757).

The spelling of 13522226 in words is "thirteen million, five hundred twenty-two thousand, two hundred twenty-six".