22066712 has 32 divisors (see below), whose sum is σ = 42336000. Its totient is φ = 10780704.

The previous prime is 22066691. The next prime is 22066721. The reversal of 22066712 is 21766022.

It is a congruent number.

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, 110789 + ... + 110987.

It is an arithmetic number, because the mean of its divisors is an integer number (1323000).

Almost surely, 2^22066712 is an apocalyptic number.

It is an amenable number.

22066712 is a deficient number, since it is larger than the sum of its proper divisors (20269288).

22066712 is a wasteful number, since it uses less digits than its factorization.

22066712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 22066712 is about 4697.5218998957. The cubic root of 22066712 is about 280.4868740038.

The spelling of 22066712 in words is "twenty-two million, sixty-six thousand, seven hundred twelve".