13552227 has 12 divisors (see below), whose sum is σ = 21081424. Its totient is φ = 8339760.

The previous prime is 13552211. The next prime is 13552237. The reversal of 13552227 is 72225531.

13552227 is a `hidden beast` number, since 135 + 522 + 2 + 7 = 666.

It is not a de Polignac number, because 13552227 - 2⁴ = 13552211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13552227.

It is not an unprimeable number, because it can be changed into a prime (13552207) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 57799 + ... + 58032.

Almost surely, 2^13552227 is an apocalyptic number.

13552227 is a deficient number, since it is larger than the sum of its proper divisors (7529197).

13552227 is a wasteful number, since it uses less digits than its factorization.

13552227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115850 (or 115847 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 13552227 is about 3681.3349480861. The cubic root of 13552227 is about 238.4168189548.

Adding to 13552227 its reverse (72225531), we get a palindrome (85777758).

The spelling of 13552227 in words is "thirteen million, five hundred fifty-two thousand, two hundred twenty-seven".