11223036 has 120 divisors (see below), whose sum is σ = 33175296. Its totient is φ = 3278880.

The previous prime is 11223031. The next prime is 11223067. The reversal of 11223036 is 63032211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 167475 + ... + 167541.

Almost surely, 2^11223036 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 11223036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16587648).

11223036 is an abundant number, since it is smaller than the sum of its proper divisors (21952260).

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

11223036 is a wasteful number, since it uses less digits than its factorization.

11223036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 11223036 is about 3350.0799990448. The cubic root of 11223036 is about 223.8910769327.

Adding to 11223036 its reverse (63032211), we get a palindrome (74255247).

The spelling of 11223036 in words is "eleven million, two hundred twenty-three thousand, thirty-six".