22069666 has 16 divisors (see below), whose sum is σ = 33929280. Its totient is φ = 10763280.

The previous prime is 22069661. The next prime is 22069687. The reversal of 22069666 is 66696022.

It is not an unprimeable number, because it can be changed into a prime (22069661) 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, 13851 + ... + 15361.

It is an arithmetic number, because the mean of its divisors is an integer number (2120580).

Almost surely, 2^22069666 is an apocalyptic number.

22069666 is a deficient number, since it is larger than the sum of its proper divisors (11859614).

22069666 is a wasteful number, since it uses less digits than its factorization.

22069666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 22069666 is about 4697.8363104732. The cubic root of 22069666 is about 280.4993894049.

The spelling of 22069666 in words is "twenty-two million, sixty-nine thousand, six hundred sixty-six".