22204461 has 8 divisors (see below), whose sum is σ = 29757024. Its totient is φ = 14727440.

The previous prime is 22204447. The next prime is 22204471. The reversal of 22204461 is 16440222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22204461 - 2⁹ = 22203949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204421) 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 7 ways as a sum of consecutive naturals, for example, 18195 + ... + 19376.

It is an arithmetic number, because the mean of its divisors is an integer number (3719628).

Almost surely, 2^22204461 is an apocalyptic number.

It is an amenable number.

22204461 is a deficient number, since it is larger than the sum of its proper divisors (7552563).

22204461 is a wasteful number, since it uses less digits than its factorization.

22204461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37771.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22204461 is about 4712.1609692369. The cubic root of 22204461 is about 281.0692998281.

Adding to 22204461 its reverse (16440222), we get a palindrome (38644683).

The spelling of 22204461 in words is "twenty-two million, two hundred four thousand, four hundred sixty-one".