11228503 has 16 divisors (see below), whose sum is σ = 13287456. Its totient is φ = 9354240.

The previous prime is 11228447. The next prime is 11228509. The reversal of 11228503 is 30582211.

It is a cyclic number.

It is not a de Polignac number, because 11228503 - 2¹³ = 11220311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11228509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33151 + ... + 33487.

It is an arithmetic number, because the mean of its divisors is an integer number (830466).

Almost surely, 2^11228503 is an apocalyptic number.

11228503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11228503 is a deficient number, since it is larger than the sum of its proper divisors (2058953).

11228503 is a wasteful number, since it uses less digits than its factorization.

11228503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 11228503 is about 3350.8958503660. The cubic root of 11228503 is about 223.9274252026.

The spelling of 11228503 in words is "eleven million, two hundred twenty-eight thousand, five hundred three".