22204535 has 8 divisors (see below), whose sum is σ = 26757456. Its totient is φ = 17688960.

The previous prime is 22204531. The next prime is 22204541. The reversal of 22204535 is 53540222.

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

It is not a de Polignac number, because 22204535 - 2² = 22204531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22204535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204531) 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 7 ways as a sum of consecutive naturals, for example, 8009 + ... + 10418.

It is an arithmetic number, because the mean of its divisors is an integer number (3344682).

Almost surely, 2^22204535 is an apocalyptic number.

22204535 is a deficient number, since it is larger than the sum of its proper divisors (4552921).

22204535 is a wasteful number, since it uses less digits than its factorization.

22204535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18673.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 22204535 is about 4712.1688212542. The cubic root of 22204535 is about 281.0696120643.

Adding to 22204535 its reverse (53540222), we get a palindrome (75744757).

The spelling of 22204535 in words is "twenty-two million, two hundred four thousand, five hundred thirty-five".