11223536 has 20 divisors (see below), whose sum is σ = 23025312. Its totient is φ = 5281536.

The previous prime is 11223533. The next prime is 11223539. The reversal of 11223536 is 63532211.

It is an interprime number because it is at equal distance from previous prime (11223533) and next prime (11223539).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20360 + ... + 20903.

Almost surely, 2^11223536 is an apocalyptic number.

11223536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11223536 is an abundant number, since it is smaller than the sum of its proper divisors (11801776).

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

11223536 is a wasteful number, since it uses less digits than its factorization.

11223536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41288 (or 41282 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 11223536 is about 3350.1546232973. The cubic root of 11223536 is about 223.8944017572.

Adding to 11223536 its reverse (63532211), we get a palindrome (74755747).

The spelling of 11223536 in words is "eleven million, two hundred twenty-three thousand, five hundred thirty-six".