22766604 has 96 divisors (see below), whose sum is σ = 65318400. Its totient is φ = 6024192.

The previous prime is 22766599. The next prime is 22766641. The reversal of 22766604 is 40666722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152722 + ... + 152870.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^22766604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22766604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32659200).

22766604 is an abundant number, since it is smaller than the sum of its proper divisors (42551796).

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

22766604 is a wasteful number, since it uses less digits than its factorization.

22766604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 22766604 is about 4771.4362617560. The cubic root of 22766604 is about 283.4214732320.

The spelling of 22766604 in words is "twenty-two million, seven hundred sixty-six thousand, six hundred four".