13552228 has 6 divisors (see below), whose sum is σ = 23716406. Its totient is φ = 6776112.

The previous prime is 13552211. The next prime is 13552237. The reversal of 13552228 is 82225531.

13552228 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 only one way, i.e., 13483584 + 68644 = 3672^2 + 262^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13552196 and 13552205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1694025 + ... + 1694032.

Almost surely, 2^13552228 is an apocalyptic number.

It is an amenable number.

13552228 is a deficient number, since it is larger than the sum of its proper divisors (10164178).

13552228 is a wasteful number, since it uses less digits than its factorization.

13552228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388061 (or 3388059 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 13552228 is about 3681.3350839064. The cubic root of 13552228 is about 238.4168248189.

Adding to 13552228 its reverse (82225531), we get a palindrome (95777759).

The spelling of 13552228 in words is "thirteen million, five hundred fifty-two thousand, two hundred twenty-eight".