11223580 has 48 divisors (see below), whose sum is σ = 25089120. Its totient is φ = 4209408.

The previous prime is 11223577. The next prime is 11223593. The reversal of 11223580 is 8532211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21199 + ... + 21721.

It is an arithmetic number, because the mean of its divisors is an integer number (522690).

Almost surely, 2^11223580 is an apocalyptic number.

11223580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11223580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12544560).

11223580 is an abundant number, since it is smaller than the sum of its proper divisors (13865540).

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

11223580 is a wasteful number, since it uses less digits than its factorization.

11223580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 596 counting only the distinct ones).

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

The square root of 11223580 is about 3350.1611901519. The cubic root of 11223580 is about 223.8946943371.

Adding to 11223580 its reverse (8532211), we get a palindrome (19755791).

The spelling of 11223580 in words is "eleven million, two hundred twenty-three thousand, five hundred eighty".