22085930 has 16 divisors (see below), whose sum is σ = 40166280. Its totient is φ = 8742912.

The previous prime is 22085897. The next prime is 22085933. The reversal of 22085930 is 3958022.

It can be written as a sum of positive squares in 4 ways, for example, as 10259209 + 11826721 = 3203^2 + 3439^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22085893 and 22085902.

It is not an unprimeable number, because it can be changed into a prime (22085933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10415 + ... + 12354.

Almost surely, 2^22085930 is an apocalyptic number.

22085930 is a deficient number, since it is larger than the sum of its proper divisors (18080350).

22085930 is a wasteful number, since it uses less digits than its factorization.

22085930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22873.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 22085930 is about 4699.5670013311. The cubic root of 22085930 is about 280.5682761427.

The spelling of 22085930 in words is "twenty-two million, eighty-five thousand, nine hundred thirty".