243222300021 has 8 divisors (see below), whose sum is σ = 326108112480. Its totient is φ = 161242343792.

The previous prime is 243222300001. The next prime is 243222300107. The reversal of 243222300021 is 120003222342.

243222300021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 243222300021 - 2⁷ = 243222299893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243222300001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226463430 + ... + 226464503.

It is an arithmetic number, because the mean of its divisors is an integer number (40763514060).

Almost surely, 2^243222300021 is an apocalyptic number.

It is an amenable number.

243222300021 is a deficient number, since it is larger than the sum of its proper divisors (82885812459).

243222300021 is a wasteful number, since it uses less digits than its factorization.

243222300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452928115.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 243222300021 its reverse (120003222342), we get a palindrome (363225522363).

The spelling of 243222300021 in words is "two hundred forty-three billion, two hundred twenty-two million, three hundred thousand, twenty-one".