320422344 has 32 divisors (see below), whose sum is σ = 873879840. Its totient is φ = 97097600.

The previous prime is 320422337. The next prime is 320422373. The reversal of 320422344 is 443224023.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606597 + ... + 607124.

It is an arithmetic number, because the mean of its divisors is an integer number (27308745).

Almost surely, 2^320422344 is an apocalyptic number.

It is an amenable number.

320422344 is an abundant number, since it is smaller than the sum of its proper divisors (553457496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320422344 is a wasteful number, since it uses less digits than its factorization.

320422344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213741 (or 1213737 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 320422344 is about 17900.3448011484. The cubic root of 320422344 is about 684.2911622494.

Adding to 320422344 its reverse (443224023), we get a palindrome (763646367).

The spelling of 320422344 in words is "three hundred twenty million, four hundred twenty-two thousand, three hundred forty-four".