22224866 has 4 divisors (see below), whose sum is σ = 33337302. Its totient is φ = 11112432.

The previous prime is 22224859. The next prime is 22224883. The reversal of 22224866 is 66842222.

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., 19989841 + 2235025 = 4471^2 + 1495^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556215 + ... + 5556218.

Almost surely, 2^22224866 is an apocalyptic number.

22224866 is a deficient number, since it is larger than the sum of its proper divisors (11112436).

22224866 is a wasteful number, since it uses less digits than its factorization.

22224866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112435.

The product of its digits is 18432, while the sum is 32.

The square root of 22224866 is about 4714.3256145498. The cubic root of 22224866 is about 281.1553705678.

The spelling of 22224866 in words is "twenty-two million, two hundred twenty-four thousand, eight hundred sixty-six".