243222434 has 48 divisors (see below), whose sum is σ = 478130688. Its totient is φ = 90544896.

The previous prime is 243222407. The next prime is 243222457. The reversal of 243222434 is 434222342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37199 + ... + 43245.

It is an arithmetic number, because the mean of its divisors is an integer number (9961056).

Almost surely, 2^243222434 is an apocalyptic number.

243222434 is a deficient number, since it is larger than the sum of its proper divisors (234908254).

243222434 is a wasteful number, since it uses less digits than its factorization.

243222434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099 (or 6086 counting only the distinct ones).

The product of its digits is 9216, while the sum is 26.

The square root of 243222434 is about 15595.5902100562. The cubic root of 243222434 is about 624.2154927026.

Adding to 243222434 its reverse (434222342), we get a palindrome (677444776).

The spelling of 243222434 in words is "two hundred forty-three million, two hundred twenty-two thousand, four hundred thirty-four".