22004097 has 4 divisors (see below), whose sum is σ = 29338800. Its totient is φ = 14669396.

The previous prime is 22004057. The next prime is 22004111. The reversal of 22004097 is 79040022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22004097 - 2⁸ = 22003841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22004057) 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 3 ways as a sum of consecutive naturals, for example, 3667347 + ... + 3667352.

It is an arithmetic number, because the mean of its divisors is an integer number (7334700).

Almost surely, 2^22004097 is an apocalyptic number.

It is an amenable number.

22004097 is a deficient number, since it is larger than the sum of its proper divisors (7334703).

22004097 is an equidigital number, since it uses as much as digits as its factorization.

22004097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7334702.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 22004097 is about 4690.8524811595. The cubic root of 22004097 is about 280.2213258573.

The spelling of 22004097 in words is "twenty-two million, four thousand, ninety-seven".