11802223 has 4 divisors (see below), whose sum is σ = 12121240. Its totient is φ = 11483208.

The previous prime is 11802221. The next prime is 11802229. The reversal of 11802223 is 32220811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11802223 - 2¹ = 11802221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11802223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11802221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159453 + ... + 159526.

It is an arithmetic number, because the mean of its divisors is an integer number (3030310).

Almost surely, 2^11802223 is an apocalyptic number.

11802223 is a deficient number, since it is larger than the sum of its proper divisors (319017).

11802223 is an equidigital number, since it uses as much as digits as its factorization.

11802223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319016.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11802223 is about 3435.4363623854. The cubic root of 11802223 is about 227.6781071142.

It can be divided in two parts, 1180 and 2223, that added together give a triangular number (3403 = T₈₂).

The spelling of 11802223 in words is "eleven million, eight hundred two thousand, two hundred twenty-three".