22066268 has 18 divisors (see below), whose sum is σ = 44921016. Its totient is φ = 9456888.

The previous prime is 22066259. The next prime is 22066321. The reversal of 22066268 is 86266022.

It is a congruent number.

It is an unprimeable number.

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, 56096 + ... + 56487.

It is an arithmetic number, because the mean of its divisors is an integer number (2495612).

Almost surely, 2^22066268 is an apocalyptic number.

22066268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22066268 is an abundant number, since it is smaller than the sum of its proper divisors (22854748).

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

22066268 is a wasteful number, since it uses less digits than its factorization.

22066268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112601 (or 112592 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 22066268 is about 4697.4746406979. The cubic root of 22066268 is about 280.4849927840.

The spelling of 22066268 in words is "twenty-two million, sixty-six thousand, two hundred sixty-eight".