12221033 has 8 divisors (see below), whose sum is σ = 13359360. Its totient is φ = 11087280.

The previous prime is 12221029. The next prime is 12221039. The reversal of 12221033 is 33012221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12221033 - 2² = 12221029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220999 and 12221017.

It is not an unprimeable number, because it can be changed into a prime (12221039) 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, 7016 + ... + 8582.

It is an arithmetic number, because the mean of its divisors is an integer number (1669920).

Almost surely, 2^12221033 is an apocalyptic number.

It is an amenable number.

12221033 is a deficient number, since it is larger than the sum of its proper divisors (1138327).

12221033 is a wasteful number, since it uses less digits than its factorization.

12221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12221033 is about 3495.8594079282. The cubic root of 12221033 is about 230.3399698227.

Adding to 12221033 its reverse (33012221), we get a palindrome (45233254).

The spelling of 12221033 in words is "twelve million, two hundred twenty-one thousand, thirty-three".