320221122 has 16 divisors (see below), whose sum is σ = 689707200. Its totient is φ = 98529552.

The previous prime is 320221093. The next prime is 320221127. The reversal of 320221122 is 221122023.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (320221127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052622 + ... + 2052777.

It is an arithmetic number, because the mean of its divisors is an integer number (43106700).

Almost surely, 2^320221122 is an apocalyptic number.

320221122 is an abundant number, since it is smaller than the sum of its proper divisors (369486078).

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

320221122 is a wasteful number, since it uses less digits than its factorization.

320221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105417.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 320221122 is about 17894.7233004593. The cubic root of 320221122 is about 684.1478896048.

Adding to 320221122 its reverse (221122023), we get a palindrome (541343145).

Subtracting from 320221122 its reverse (221122023), we obtain a palindrome (99099099).

The spelling of 320221122 in words is "three hundred twenty million, two hundred twenty-one thousand, one hundred twenty-two".