22665801 has 8 divisors (see below), whose sum is σ = 30286080. Its totient is φ = 15078032.

The previous prime is 22665781. The next prime is 22665823. The reversal of 22665801 is 10856622.

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 22665801 - 2⁹ = 22665289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22665101) 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, 6450 + ... + 9323.

It is an arithmetic number, because the mean of its divisors is an integer number (3785760).

Almost surely, 2^22665801 is an apocalyptic number.

It is an amenable number.

22665801 is a deficient number, since it is larger than the sum of its proper divisors (7620279).

22665801 is a wasteful number, since it uses less digits than its factorization.

22665801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16255.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 22665801 is about 4760.8613716427. The cubic root of 22665801 is about 283.0025554673.

The spelling of 22665801 in words is "twenty-two million, six hundred sixty-five thousand, eight hundred one".