243030022 has 16 divisors (see below), whose sum is σ = 366926112. Its totient is φ = 120724480.

The previous prime is 243030019. The next prime is 243030031. The reversal of 243030022 is 220030342.

It is a junction number, because it is equal to n+sod(n) for n = 243029978 and 243030005.

It is a congruent number.

It is an unprimeable number.

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, 375303 + ... + 375949.

It is an arithmetic number, because the mean of its divisors is an integer number (22932882).

Almost surely, 2^243030022 is an apocalyptic number.

243030022 is a deficient number, since it is larger than the sum of its proper divisors (123896090).

243030022 is a wasteful number, since it uses less digits than its factorization.

243030022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 243030022 is about 15589.4201944780. The cubic root of 243030022 is about 624.0508447365.

Adding to 243030022 its reverse (220030342), we get a palindrome (463060364).

The spelling of 243030022 in words is "two hundred forty-three million, thirty thousand, twenty-two".