13544228 has 6 divisors (see below), whose sum is σ = 23702406. Its totient is φ = 6772112.

The previous prime is 13544197. The next prime is 13544243. The reversal of 13544228 is 82244531.

It is a happy number.

13544228 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., 12730624 + 813604 = 3568^2 + 902^2 .

It is a super-2 number, since 2×13544228² = 366892224231968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13544228.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1693025 + ... + 1693032.

It is an arithmetic number, because the mean of its divisors is an integer number (3950401).

Almost surely, 2^13544228 is an apocalyptic number.

It is an amenable number.

13544228 is a deficient number, since it is larger than the sum of its proper divisors (10158178).

13544228 is a wasteful number, since it uses less digits than its factorization.

13544228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386061 (or 3386059 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 13544228 is about 3680.2483611843. The cubic root of 13544228 is about 238.3699023983.

Adding to 13544228 its reverse (82244531), we get a palindrome (95788759).

The spelling of 13544228 in words is "thirteen million, five hundred forty-four thousand, two hundred twenty-eight".