22736668 has 6 divisors (see below), whose sum is σ = 39789176. Its totient is φ = 11368332.

The previous prime is 22736641. The next prime is 22736669. The reversal of 22736668 is 86663722.

It is a self number, because there is not a number n which added to its sum of digits gives 22736668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22736669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2842080 + ... + 2842087.

Almost surely, 2^22736668 is an apocalyptic number.

It is an amenable number.

22736668 is a deficient number, since it is larger than the sum of its proper divisors (17052508).

22736668 is a wasteful number, since it uses less digits than its factorization.

22736668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684171 (or 5684169 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 22736668 is about 4768.2982289282. The cubic root of 22736668 is about 283.2971943142.

The spelling of 22736668 in words is "twenty-two million, seven hundred thirty-six thousand, six hundred sixty-eight".