243422522 has 16 divisors (see below), whose sum is σ = 417564672. Its totient is φ = 104256720.

The previous prime is 243422521. The next prime is 243422533. The reversal of 243422522 is 225224342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243422491 and 243422500.

It is not an unprimeable number, because it can be changed into a prime (243422521) 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, 21383 + ... + 30725.

It is an arithmetic number, because the mean of its divisors is an integer number (26097792).

Almost surely, 2^243422522 is an apocalyptic number.

243422522 is a deficient number, since it is larger than the sum of its proper divisors (174142150).

243422522 is a wasteful number, since it uses less digits than its factorization.

243422522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11213.

The product of its digits is 7680, while the sum is 26.

The square root of 243422522 is about 15602.0037815660. The cubic root of 243422522 is about 624.3866169883.

Adding to 243422522 its reverse (225224342), we get a palindrome (468646864).

The spelling of 243422522 in words is "two hundred forty-three million, four hundred twenty-two thousand, five hundred twenty-two".