22998666 has 16 divisors (see below), whose sum is σ = 47997504. Its totient is φ = 7332864.

The previous prime is 22998641. The next prime is 22998691. The reversal of 22998666 is 66689922.

It is an interprime number because it is at equal distance from previous prime (22998641) and next prime (22998691).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83191 + ... + 83466.

It is an arithmetic number, because the mean of its divisors is an integer number (2999844).

Almost surely, 2^22998666 is an apocalyptic number.

22998666 is an abundant number, since it is smaller than the sum of its proper divisors (24998838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22998666 is a wasteful number, since it uses less digits than its factorization.

22998666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166685.

The product of its digits is 559872, while the sum is 48.

The square root of 22998666 is about 4795.6924421818. The cubic root of 22998666 is about 284.3811997360.

The spelling of 22998666 in words is "twenty-two million, nine hundred ninety-eight thousand, six hundred sixty-six".