22665066 has 16 divisors (see below), whose sum is σ = 46893600. Its totient is φ = 7294448.

The previous prime is 22665011. The next prime is 22665067. The reversal of 22665066 is 66056622.

It is not an unprimeable number, because it can be changed into a prime (22665067) 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, 64956 + ... + 65303.

It is an arithmetic number, because the mean of its divisors is an integer number (2930850).

Almost surely, 2^22665066 is an apocalyptic number.

22665066 is an abundant number, since it is smaller than the sum of its proper divisors (24228534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22665066 is a wasteful number, since it uses less digits than its factorization.

22665066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130293.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 22665066 is about 4760.7841791033. The cubic root of 22665066 is about 282.9994963927. Note that the first 3 decimals are identical.

The spelling of 22665066 in words is "twenty-two million, six hundred sixty-five thousand, sixty-six".