22066930 has 16 divisors (see below), whose sum is σ = 39866904. Its totient is φ = 8794240.

The previous prime is 22066909. The next prime is 22066937. The reversal of 22066930 is 3966022.

It can be written as a sum of positive squares in 4 ways, for example, as 13024881 + 9042049 = 3609^2 + 3007^2 .

It is not an unprimeable number, because it can be changed into a prime (22066937) 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, 1117 + ... + 6736.

Almost surely, 2^22066930 is an apocalyptic number.

22066930 is a deficient number, since it is larger than the sum of its proper divisors (17799974).

22066930 is a wasteful number, since it uses less digits than its factorization.

22066930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 22066930 is about 4697.5451035621. The cubic root of 22066930 is about 280.4877976566.

The spelling of 22066930 in words is "twenty-two million, sixty-six thousand, nine hundred thirty".