11223816 has 32 divisors (see below), whose sum is σ = 29280960. Its totient is φ = 3578432.

The previous prime is 11223811. The next prime is 11223857. The reversal of 11223816 is 61832211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223811) 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, 9615 + ... + 10718.

It is an arithmetic number, because the mean of its divisors is an integer number (915030).

Almost surely, 2^11223816 is an apocalyptic number.

It is an amenable number.

11223816 is an abundant number, since it is smaller than the sum of its proper divisors (18057144).

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

11223816 is a wasteful number, since it uses less digits than its factorization.

11223816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20365 (or 20361 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 11223816 is about 3350.1964121526. The cubic root of 11223816 is about 223.8962636158.

The spelling of 11223816 in words is "eleven million, two hundred twenty-three thousand, eight hundred sixteen".