322241220 has 192 divisors, whose sum is σ = 1154979840. Its totient is φ = 73063296.

The previous prime is 322241167. The next prime is 322241221. The reversal of 322241220 is 22142223.

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 = 322241193 and 322241202.

It is not an unprimeable number, because it can be changed into a prime (322241221) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 615879 + ... + 616401.

It is an arithmetic number, because the mean of its divisors is an integer number (6015520).

Almost surely, 2^322241220 is an apocalyptic number.

322241220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322241220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577489920).

322241220 is an abundant number, since it is smaller than the sum of its proper divisors (832738620).

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

322241220 is a wasteful number, since it uses less digits than its factorization.

322241220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 703 counting only the distinct ones).

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

The square root of 322241220 is about 17951.0785191308. The cubic root of 322241220 is about 685.5835118918.

Adding to 322241220 its reverse (22142223), we get a palindrome (344383443).

The spelling of 322241220 in words is "three hundred twenty-two million, two hundred forty-one thousand, two hundred twenty".