22066312 has 16 divisors (see below), whose sum is σ = 42255360. Its totient is φ = 10798224.

The previous prime is 22066259. The next prime is 22066321. The reversal of 22066312 is 21366022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28968 + ... + 29719.

It is an arithmetic number, because the mean of its divisors is an integer number (2640960).

Almost surely, 2^22066312 is an apocalyptic number.

It is an amenable number.

22066312 is a deficient number, since it is larger than the sum of its proper divisors (20189048).

22066312 is a wasteful number, since it uses less digits than its factorization.

22066312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58740 (or 58736 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 22066312 is about 4697.4793240631. The cubic root of 22066312 is about 280.4851792123.

The spelling of 22066312 in words is "twenty-two million, sixty-six thousand, three hundred twelve".