22213330 has 8 divisors (see below), whose sum is σ = 39984012. Its totient is φ = 8885328.

The previous prime is 22213313. The next prime is 22213343. The reversal of 22213330 is 3331222.

It can be written as a sum of positive squares in 2 ways, for example, as 22212369 + 961 = 4713^2 + 31^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 1110657 + ... + 1110676.

Almost surely, 2^22213330 is an apocalyptic number.

22213330 is a deficient number, since it is larger than the sum of its proper divisors (17770682).

22213330 is a wasteful number, since it uses less digits than its factorization.

22213330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221340.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 22213330 is about 4713.1019509448. The cubic root of 22213330 is about 281.1067168108.

Adding to 22213330 its reverse (3331222), we get a palindrome (25544552).

The spelling of 22213330 in words is "twenty-two million, two hundred thirteen thousand, three hundred thirty".