22004045 has 8 divisors (see below), whose sum is σ = 30177024. Its totient is φ = 15088464.

The previous prime is 22004041. The next prime is 22004051. The reversal of 22004045 is 54040022.

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 22004045 - 2² = 22004041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004041) 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 7 ways as a sum of consecutive naturals, for example, 314309 + ... + 314378.

It is an arithmetic number, because the mean of its divisors is an integer number (3772128).

Almost surely, 2^22004045 is an apocalyptic number.

It is an amenable number.

22004045 is a deficient number, since it is larger than the sum of its proper divisors (8172979).

22004045 is an equidigital number, since it uses as much as digits as its factorization.

22004045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628699.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 22004045 is about 4690.8469384537. The cubic root of 22004045 is about 280.2211051178.

Adding to 22004045 its reverse (54040022), we get a palindrome (76044067).

The spelling of 22004045 in words is "twenty-two million, four thousand, forty-five".