22204023 has 16 divisors (see below), whose sum is σ = 31550976. Its totient is φ = 13841280.

The previous prime is 22204009. The next prime is 22204051. The reversal of 22204023 is 32040222.

It is not a de Polignac number, because 22204023 - 2⁵ = 22203991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22203993 and 22204011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6978 + ... + 9648.

It is an arithmetic number, because the mean of its divisors is an integer number (1971936).

Almost surely, 2^22204023 is an apocalyptic number.

22204023 is a deficient number, since it is larger than the sum of its proper divisors (9346953).

22204023 is a wasteful number, since it uses less digits than its factorization.

22204023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22204023 is about 4712.1144935156. The cubic root of 22204023 is about 281.0674517136.

Adding to 22204023 its reverse (32040222), we get a palindrome (54244245).

The spelling of 22204023 in words is "twenty-two million, two hundred four thousand, twenty-three".