22820666 has 8 divisors (see below), whose sum is σ = 37342944. Its totient is φ = 10373020.

The previous prime is 22820663. The next prime is 22820671. The reversal of 22820666 is 66602822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22820663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518630 + ... + 518673.

It is an arithmetic number, because the mean of its divisors is an integer number (4667868).

Almost surely, 2^22820666 is an apocalyptic number.

22820666 is a deficient number, since it is larger than the sum of its proper divisors (14522278).

22820666 is a wasteful number, since it uses less digits than its factorization.

22820666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037316.

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

The square root of 22820666 is about 4777.0980730984. The cubic root of 22820666 is about 283.6456351877.

The spelling of 22820666 in words is "twenty-two million, eight hundred twenty thousand, six hundred sixty-six".