22066244 has 6 divisors (see below), whose sum is σ = 38615934. Its totient is φ = 11033120.

The previous prime is 22066243. The next prime is 22066259. The reversal of 22066244 is 44266022.

It can be written as a sum of positive squares in only one way, i.e., 20811844 + 1254400 = 4562^2 + 1120^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758277 + ... + 2758284.

It is an arithmetic number, because the mean of its divisors is an integer number (6435989).

Almost surely, 2^22066244 is an apocalyptic number.

It is an amenable number.

22066244 is a deficient number, since it is larger than the sum of its proper divisors (16549690).

22066244 is a wasteful number, since it uses less digits than its factorization.

22066244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516565 (or 5516563 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 22066244 is about 4697.4720861331. The cubic root of 22066244 is about 280.4848910957.

The spelling of 22066244 in words is "twenty-two million, sixty-six thousand, two hundred forty-four".