13552226 has 4 divisors (see below), whose sum is σ = 20328342. Its totient is φ = 6776112.

The previous prime is 13552211. The next prime is 13552237. The reversal of 13552226 is 62225531.

13552226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62225531 = 7727 ⋅8053.

It can be written as a sum of positive squares in only one way, i.e., 8994001 + 4558225 = 2999^2 + 2135^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13552195 and 13552204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388055 + ... + 3388058.

Almost surely, 2^13552226 is an apocalyptic number.

13552226 is a deficient number, since it is larger than the sum of its proper divisors (6776116).

13552226 is an equidigital number, since it uses as much as digits as its factorization.

13552226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776115.

The product of its digits is 3600, while the sum is 26.

The square root of 13552226 is about 3681.3348122658. The cubic root of 13552226 is about 238.4168130906.

Adding to 13552226 its reverse (62225531), we get a palindrome (75777757).

The spelling of 13552226 in words is "thirteen million, five hundred fifty-two thousand, two hundred twenty-six".