320044122 has 56 divisors (see below), whose sum is σ = 723688416. Its totient is φ = 106101576.

The previous prime is 320044069. The next prime is 320044139. The reversal of 320044122 is 221440023.

320044122 is a `hidden beast` number, since 3 + 200 + 441 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 320044095 and 320044104.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 330483 + ... + 331449.

Almost surely, 2^320044122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320044122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361844208).

320044122 is an abundant number, since it is smaller than the sum of its proper divisors (403644294).

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

320044122 is an equidigital number, since it uses as much as digits as its factorization.

320044122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 320044122 is about 17889.7770248821. Note that the first 3 decimals coincide. The cubic root of 320044122 is about 684.0218137088.

Adding to 320044122 its reverse (221440023), we get a palindrome (541484145).

The spelling of 320044122 in words is "three hundred twenty million, forty-four thousand, one hundred twenty-two".