22004038 has 24 divisors (see below), whose sum is σ = 38754072. Its totient is φ = 9342144.

The previous prime is 22004009. The next prime is 22004039. The reversal of 22004038 is 83040022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004039) 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, 10081 + ... + 12067.

It is an arithmetic number, because the mean of its divisors is an integer number (1614753).

Almost surely, 2^22004038 is an apocalyptic number.

22004038 is a deficient number, since it is larger than the sum of its proper divisors (16750034).

22004038 is a wasteful number, since it uses less digits than its factorization.

22004038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116 (or 2109 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 22004038 is about 4690.8461923197. The cubic root of 22004038 is about 280.2210754029.

The spelling of 22004038 in words is "twenty-two million, four thousand, thirty-eight".