22204005 has 16 divisors (see below), whose sum is σ = 35688384. Its totient is φ = 11788160.

The previous prime is 22203997. The next prime is 22204009. The reversal of 22204005 is 50040222.

It is not a de Polignac number, because 22204005 - 2³ = 22203997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204009) 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 15 ways as a sum of consecutive naturals, for example, 145 + ... + 6665.

It is an arithmetic number, because the mean of its divisors is an integer number (2230524).

Almost surely, 2^22204005 is an apocalyptic number.

It is an amenable number.

22204005 is a deficient number, since it is larger than the sum of its proper divisors (13484379).

22204005 is a wasteful number, since it uses less digits than its factorization.

22204005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 22204005 is about 4712.1125835447. The cubic root of 22204005 is about 281.0673757631.

Adding to 22204005 its reverse (50040222), we get a palindrome (72244227).

The spelling of 22204005 in words is "twenty-two million, two hundred four thousand, five".