22533305 has 8 divisors (see below), whose sum is σ = 27066312. Its totient is φ = 18009088.

The previous prime is 22533289. The next prime is 22533331. The reversal of 22533305 is 50333522.

It can be written as a sum of positive squares in 4 ways, for example, as 1666681 + 20866624 = 1291^2 + 4568^2 .

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 22533305 - 2⁴ = 22533289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6809 + ... + 9561.

It is an arithmetic number, because the mean of its divisors is an integer number (3383289).

Almost surely, 2^22533305 is an apocalyptic number.

It is an amenable number.

22533305 is a deficient number, since it is larger than the sum of its proper divisors (4533007).

22533305 is a wasteful number, since it uses less digits than its factorization.

22533305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 22533305 is about 4746.9258473248. The cubic root of 22533305 is about 282.4500342361.

Adding to 22533305 its reverse (50333522), we get a palindrome (72866827).

The spelling of 22533305 in words is "twenty-two million, five hundred thirty-three thousand, three hundred five".