11221983 has 12 divisors (see below), whose sum is σ = 16810248. Its totient is φ = 7481160.

The previous prime is 11221967. The next prime is 11221993. The reversal of 11221983 is 38912211.

It is not a de Polignac number, because 11221983 - 2⁴ = 11221967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221933) 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 11 ways as a sum of consecutive naturals, for example, 22848 + ... + 23333.

It is an arithmetic number, because the mean of its divisors is an integer number (1400854).

Almost surely, 2^11221983 is an apocalyptic number.

11221983 is a deficient number, since it is larger than the sum of its proper divisors (5588265).

11221983 is an frugal number, since it uses more digits than its factorization.

11221983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46196 (or 46184 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 11221983 is about 3349.9228349322. The cubic root of 11221983 is about 223.8840745293.

The spelling of 11221983 in words is "eleven million, two hundred twenty-one thousand, nine hundred eighty-three".