22066326 has 12 divisors (see below), whose sum is σ = 47810412. Its totient is φ = 7355436.

The previous prime is 22066321. The next prime is 22066333. The reversal of 22066326 is 62366022.

It is a happy number.

22066326 is a `hidden beast` number, since 2 + 20 + 6 + 632 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 22066326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 612936 + ... + 612971.

It is an arithmetic number, because the mean of its divisors is an integer number (3984201).

Almost surely, 2^22066326 is an apocalyptic number.

22066326 is an abundant number, since it is smaller than the sum of its proper divisors (25744086).

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

22066326 is a wasteful number, since it uses less digits than its factorization.

22066326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225915 (or 1225912 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 22066326 is about 4697.4808142237. The cubic root of 22066326 is about 280.4852385304.

The spelling of 22066326 in words is "twenty-two million, sixty-six thousand, three hundred twenty-six".