22004127 has 12 divisors (see below), whose sum is σ = 32880120. Its totient is φ = 14163408.

The previous prime is 22004119. The next prime is 22004149. The reversal of 22004127 is 72140022.

It is not a de Polignac number, because 22004127 - 2³ = 22004119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41893 + ... + 42414.

It is an arithmetic number, because the mean of its divisors is an integer number (2740010).

Almost surely, 2^22004127 is an apocalyptic number.

22004127 is a deficient number, since it is larger than the sum of its proper divisors (10875993).

22004127 is a wasteful number, since it uses less digits than its factorization.

22004127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84342 (or 84339 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 22004127 is about 4690.8556788714. The cubic root of 22004127 is about 280.2214532069.

Adding to 22004127 its reverse (72140022), we get a palindrome (94144149).

The spelling of 22004127 in words is "twenty-two million, four thousand, one hundred twenty-seven".