243422011 has 16 divisors (see below), whose sum is σ = 286792704. Its totient is φ = 202273344.

The previous prime is 243421993. The next prime is 243422021. The reversal of 243422011 is 110224342.

243422011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243422011 - 2⁵ = 243421979 is a prime.

It is a super-3 number, since 3×243422011³ (a number of 26 digits) contains 333 as substring.

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 243422011.

It is not an unprimeable number, because it can be changed into a prime (243422021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38286 + ... + 44188.

It is an arithmetic number, because the mean of its divisors is an integer number (17924544).

Almost surely, 2^243422011 is an apocalyptic number.

243422011 is a deficient number, since it is larger than the sum of its proper divisors (43370693).

243422011 is a wasteful number, since it uses less digits than its factorization.

243422011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6090.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 243422011 is about 15601.9874054558. The cubic root of 243422011 is about 624.3861800775.

Adding to 243422011 its reverse (110224342), we get a palindrome (353646353).

The spelling of 243422011 in words is "two hundred forty-three million, four hundred twenty-two thousand, eleven".