11822223 has 8 divisors (see below), whose sum is σ = 18014848. Its totient is φ = 6755544.

The previous prime is 11822221. The next prime is 11822231. The reversal of 11822223 is 32222811.

It is a happy number.

11822223 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11822223 - 2¹ = 11822221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 562963 = 11822223 / (1 + 1 + 8 + 2 + 2 + 2 + 2 + 3).

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 11822223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11822221) 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, 281461 + ... + 281502.

It is an arithmetic number, because the mean of its divisors is an integer number (2251856).

Almost surely, 2^11822223 is an apocalyptic number.

11822223 is a deficient number, since it is larger than the sum of its proper divisors (6192625).

11822223 is an equidigital number, since it uses as much as digits as its factorization.

11822223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562973.

The product of its digits is 384, while the sum is 21.

The square root of 11822223 is about 3438.3459686308. The cubic root of 11822223 is about 227.8066420072.

The spelling of 11822223 in words is "eleven million, eight hundred twenty-two thousand, two hundred twenty-three".