243134422 has 4 divisors (see below), whose sum is σ = 364701636. Its totient is φ = 121567210.

The previous prime is 243134417. The next prime is 243134453. The reversal of 243134422 is 224431342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224431342 = 2 ⋅112215671.

It is a super-2 number, since 2×243134422² = 118228694322548168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60783604 + ... + 60783607.

It is an arithmetic number, because the mean of its divisors is an integer number (91175409).

Almost surely, 2^243134422 is an apocalyptic number.

243134422 is a deficient number, since it is larger than the sum of its proper divisors (121567214).

243134422 is a wasteful number, since it uses less digits than its factorization.

243134422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121567213.

The product of its digits is 4608, while the sum is 25.

The square root of 243134422 is about 15592.7682596773. The cubic root of 243134422 is about 624.1401911484.

Adding to 243134422 its reverse (224431342), we get a palindrome (467565764).

The spelling of 243134422 in words is "two hundred forty-three million, one hundred thirty-four thousand, four hundred twenty-two".