11221833 has 24 divisors (see below), whose sum is σ = 17607072. Its totient is φ = 6338304.

The previous prime is 11221829. The next prime is 11221843. The reversal of 11221833 is 33812211.

It is not a de Polignac number, because 11221833 - 2² = 11221829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11221843) 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 23 ways as a sum of consecutive naturals, for example, 13866 + ... + 14652.

It is an arithmetic number, because the mean of its divisors is an integer number (733628).

Almost surely, 2^11221833 is an apocalyptic number.

It is an amenable number.

11221833 is a deficient number, since it is larger than the sum of its proper divisors (6385239).

11221833 is an equidigital number, since it uses as much as digits as its factorization.

11221833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 894 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 11221833 is about 3349.9004462819. The cubic root of 11221833 is about 223.8830770003.

It can be divided in two parts, 112 and 21833, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 11221833 in words is "eleven million, two hundred twenty-one thousand, eight hundred thirty-three".