320440022 has 8 divisors (see below), whose sum is σ = 549325776. Its totient is φ = 137331432.

The previous prime is 320440019. The next prime is 320440039. The reversal of 320440022 is 220044023.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11444273 + ... + 11444300.

It is an arithmetic number, because the mean of its divisors is an integer number (68665722).

Almost surely, 2^320440022 is an apocalyptic number.

320440022 is a deficient number, since it is larger than the sum of its proper divisors (228885754).

320440022 is a wasteful number, since it uses less digits than its factorization.

320440022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22888582.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 320440022 is about 17900.8385837089. The cubic root of 320440022 is about 684.3037463455.

Adding to 320440022 its reverse (220044023), we get a palindrome (540484045).

The spelling of 320440022 in words is "three hundred twenty million, four hundred forty thousand, twenty-two".