22004033 has 6 divisors (see below), whose sum is σ = 23223474. Its totient is φ = 20845584.

The previous prime is 22004009. The next prime is 22004039. The reversal of 22004033 is 33040022.

It can be written as a sum of positive squares in only one way, i.e., 15618304 + 6385729 = 3952^2 + 2527^2 .

It is not a de Polignac number, because 22004033 - 2⁸ = 22003777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22003999 and 22004017.

It is not an unprimeable number, because it can be changed into a prime (22004039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30116 + ... + 30837.

It is an arithmetic number, because the mean of its divisors is an integer number (3870579).

Almost surely, 2^22004033 is an apocalyptic number.

It is an amenable number.

22004033 is a deficient number, since it is larger than the sum of its proper divisors (1219441).

22004033 is an equidigital number, since it uses as much as digits as its factorization.

22004033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60991 (or 60972 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 22004033 is about 4690.8456593668. The cubic root of 22004033 is about 280.2210541779.

Adding to 22004033 its reverse (33040022), we get a palindrome (55044055).

The spelling of 22004033 in words is "twenty-two million, four thousand, thirty-three".