11228553 has 12 divisors (see below), whose sum is σ = 18536128. Its totient is φ = 6416280.

The previous prime is 11228543. The next prime is 11228561. The reversal of 11228553 is 35582211.

It is a happy number.

11228553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11228553 - 2⁵ = 11228521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11228543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89053 + ... + 89178.

Almost surely, 2^11228553 is an apocalyptic number.

It is an amenable number.

11228553 is a deficient number, since it is larger than the sum of its proper divisors (7307575).

11228553 is a wasteful number, since it uses less digits than its factorization.

11228553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178244 (or 178241 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 11228553 is about 3350.9033110491. The cubic root of 11228553 is about 223.9277575815.

It can be divided in two parts, 11228 and 553, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 11228553 in words is "eleven million, two hundred twenty-eight thousand, five hundred fifty-three".