431222342 has 4 divisors (see below), whose sum is σ = 646833516. Its totient is φ = 215611170.

The previous prime is 431222339. The next prime is 431222371. The reversal of 431222342 is 243222134.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 107805584 + ... + 107805587.

It is an arithmetic number, because the mean of its divisors is an integer number (161708379).

Almost surely, 2^431222342 is an apocalyptic number.

431222342 is a deficient number, since it is larger than the sum of its proper divisors (215611174).

431222342 is a wasteful number, since it uses less digits than its factorization.

431222342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215611173.

The product of its digits is 2304, while the sum is 23.

The square root of 431222342 is about 20765.8937202327. The cubic root of 431222342 is about 755.4987520717.

Adding to 431222342 its reverse (243222134), we get a palindrome (674444476).

The spelling of 431222342 in words is "four hundred thirty-one million, two hundred twenty-two thousand, three hundred forty-two".