22004417 has 8 divisors (see below), whose sum is σ = 22861440. Its totient is φ = 21154000.

The previous prime is 22004393. The next prime is 22004419. The reversal of 22004417 is 71440022.

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 22004417 - 2⁸ = 22004161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22004419) 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, 5768 + ... + 8790.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^22004417 is an apocalyptic number.

It is an amenable number.

22004417 is a deficient number, since it is larger than the sum of its proper divisors (857023).

22004417 is a wasteful number, since it uses less digits than its factorization.

22004417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 22004417 is about 4690.8865899742. The cubic root of 22004417 is about 280.2226842466. Note that the first 3 decimals are identical.

Adding to 22004417 its reverse (71440022), we get a palindrome (93444439).

The spelling of 22004417 in words is "twenty-two million, four thousand, four hundred seventeen".