22766861 has 8 divisors (see below), whose sum is σ = 24934560. Its totient is φ = 20658672.

The previous prime is 22766857. The next prime is 22766867. The reversal of 22766861 is 16866722.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22766861 - 2² = 22766857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22766867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14075 + ... + 15608.

It is an arithmetic number, because the mean of its divisors is an integer number (3116820).

Almost surely, 2^22766861 is an apocalyptic number.

It is an amenable number.

22766861 is a deficient number, since it is larger than the sum of its proper divisors (2167699).

22766861 is a wasteful number, since it uses less digits than its factorization.

22766861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29755.

The product of its digits is 48384, while the sum is 38.

The square root of 22766861 is about 4771.4631927743. The cubic root of 22766861 is about 283.4225396924.

The spelling of 22766861 in words is "twenty-two million, seven hundred sixty-six thousand, eight hundred sixty-one".