22260866 has 4 divisors (see below), whose sum is σ = 33391302. Its totient is φ = 11130432.

The previous prime is 22260853. The next prime is 22260869. The reversal of 22260866 is 66806222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12780625 + 9480241 = 3575^2 + 3079^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22260869) 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 as a sum of consecutive naturals, namely, 5565215 + ... + 5565218.

Almost surely, 2^22260866 is an apocalyptic number.

22260866 is a deficient number, since it is larger than the sum of its proper divisors (11130436).

22260866 is a wasteful number, since it uses less digits than its factorization.

22260866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11130435.

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

The square root of 22260866 is about 4718.1422191367. The cubic root of 22260866 is about 281.3070945159.

The spelling of 22260866 in words is "twenty-two million, two hundred sixty thousand, eight hundred sixty-six".