243622801 has 8 divisors (see below), whose sum is σ = 258703200. Its totient is φ = 228625728.

The previous prime is 243622793. The next prime is 243622829. The reversal of 243622801 is 108226342.

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 243622801 - 2³ = 243622793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243622801.

It is not an unprimeable number, because it can be changed into a prime (243622871) 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, 14751 + ... + 26548.

It is an arithmetic number, because the mean of its divisors is an integer number (32337900).

Almost surely, 2^243622801 is an apocalyptic number.

It is an amenable number.

243622801 is a deficient number, since it is larger than the sum of its proper divisors (15080399).

243622801 is a wasteful number, since it uses less digits than its factorization.

243622801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41663.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 243622801 is about 15608.4208362025. The cubic root of 243622801 is about 624.5578107436.

The spelling of 243622801 in words is "two hundred forty-three million, six hundred twenty-two thousand, eight hundred one".