22133305 has 8 divisors (see below), whose sum is σ = 26588232. Its totient is φ = 17687808.

The previous prime is 22133299. The next prime is 22133323. The reversal of 22133305 is 50333122.

It can be written as a sum of positive squares in 4 ways, for example, as 14837904 + 7295401 = 3852^2 + 2701^2 .

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 22133305 - 2³ = 22133297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4779 + ... + 8191.

It is an arithmetic number, because the mean of its divisors is an integer number (3323529).

Almost surely, 2^22133305 is an apocalyptic number.

It is an amenable number.

22133305 is a deficient number, since it is larger than the sum of its proper divisors (4454927).

22133305 is a wasteful number, since it uses less digits than its factorization.

22133305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 22133305 is about 4704.6046592673. The cubic root of 22133305 is about 280.7687420732.

Adding to 22133305 its reverse (50333122), we get a palindrome (72466427).

The spelling of 22133305 in words is "twenty-two million, one hundred thirty-three thousand, three hundred five".