11227528 has 32 divisors (see below), whose sum is σ = 22944600. Its totient is φ = 5119488.

The previous prime is 11227511. The next prime is 11227529. The reversal of 11227528 is 82572211.

It can be written as a sum of positive squares in 4 ways, for example, as 2829124 + 8398404 = 1682^2 + 2898^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11227496 and 11227505.

It is not an unprimeable number, because it can be changed into a prime (11227529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8650 + ... + 9862.

Almost surely, 2^11227528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11227528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11472300).

11227528 is an abundant number, since it is smaller than the sum of its proper divisors (11717072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11227528 is a wasteful number, since it uses less digits than its factorization.

11227528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 1317 counting only the distinct ones).

The product of its digits is 2240, while the sum is 28.

The square root of 11227528 is about 3350.7503637245. The cubic root of 11227528 is about 223.9209436155.

Adding to 11227528 its reverse (82572211), we get a palindrome (93799739).

The spelling of 11227528 in words is "eleven million, two hundred twenty-seven thousand, five hundred twenty-eight".