22004055 has 20 divisors (see below), whose sum is σ = 39445032. Its totient is φ = 11735280.

The previous prime is 22004053. The next prime is 22004057. The reversal of 22004055 is 55040022.

It is an interprime number because it is at equal distance from previous prime (22004053) and next prime (22004057).

It is not a de Polignac number, because 22004055 - 2¹ = 22004053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004051) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26761 + ... + 27570.

Almost surely, 2^22004055 is an apocalyptic number.

22004055 is a deficient number, since it is larger than the sum of its proper divisors (17440977).

22004055 is an equidigital number, since it uses as much as digits as its factorization.

22004055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54348 (or 54339 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 22004055 is about 4690.8480043591. The cubic root of 22004055 is about 280.2211475678.

Adding to 22004055 its reverse (55040022), we get a palindrome (77044077).

The spelling of 22004055 in words is "twenty-two million, four thousand, fifty-five".