320042222344 has 32 divisors (see below), whose sum is σ = 646504792920. Its totient is φ = 147651065856.

The previous prime is 320042222327. The next prime is 320042222393. The reversal of 320042222344 is 443222240023.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 303545902500 + 16496319844 = 550950^2 + 128438^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377929 + ... + 884824.

Almost surely, 2^320042222344 is an apocalyptic number.

It is an amenable number.

320042222344 is an abundant number, since it is smaller than the sum of its proper divisors (326462570576).

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

320042222344 is a wasteful number, since it uses less digits than its factorization.

320042222344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265209 (or 1265205 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 320042222344 its reverse (443222240023), we get a palindrome (763264462367).

The spelling of 320042222344 in words is "three hundred twenty billion, forty-two million, two hundred twenty-two thousand, three hundred forty-four".