22667228 has 24 divisors (see below), whose sum is σ = 42183120. Its totient is φ = 10627200.

The previous prime is 22667191. The next prime is 22667237. The reversal of 22667228 is 82276622.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6200 + ... + 9152.

It is an arithmetic number, because the mean of its divisors is an integer number (1757630).

Almost surely, 2^22667228 is an apocalyptic number.

It is an amenable number.

22667228 is a deficient number, since it is larger than the sum of its proper divisors (19515892).

22667228 is a wasteful number, since it uses less digits than its factorization.

22667228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077 (or 3075 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 22667228 is about 4761.0112371218. The cubic root of 22667228 is about 283.0084944613.

The spelling of 22667228 in words is "twenty-two million, six hundred sixty-seven thousand, two hundred twenty-eight".