22133330 has 16 divisors (see below), whose sum is σ = 40592664. Its totient is φ = 8686080.

The previous prime is 22133329. The next prime is 22133341. The reversal of 22133330 is 3333122.

It can be written as a sum of positive squares in 4 ways, for example, as 12103441 + 10029889 = 3479^2 + 3167^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22133299 and 22133308.

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, 20351 + ... + 21410.

Almost surely, 2^22133330 is an apocalyptic number.

22133330 is a deficient number, since it is larger than the sum of its proper divisors (18459334).

22133330 is a wasteful number, since it uses less digits than its factorization.

22133330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41821.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 22133330 is about 4704.6073162380. The cubic root of 22133330 is about 280.7688477845.

Adding to 22133330 its reverse (3333122), we get a palindrome (25466452).

The spelling of 22133330 in words is "twenty-two million, one hundred thirty-three thousand, three hundred thirty".