320222434 has 8 divisors (see below), whose sum is σ = 548952768. Its totient is φ = 137238180.

The previous prime is 320222407. The next prime is 320222443. The reversal of 320222434 is 434222023.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 11436502 + ... + 11436529.

It is an arithmetic number, because the mean of its divisors is an integer number (68619096).

Almost surely, 2^320222434 is an apocalyptic number.

320222434 is a deficient number, since it is larger than the sum of its proper divisors (228730334).

320222434 is a wasteful number, since it uses less digits than its factorization.

320222434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22873040.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 320222434 is about 17894.7599592730. The cubic root of 320222434 is about 684.1488239600.

Adding to 320222434 its reverse (434222023), we get a palindrome (754444457).

The spelling of 320222434 in words is "three hundred twenty million, two hundred twenty-two thousand, four hundred thirty-four".