322224020 has 48 divisors (see below), whose sum is σ = 712454400. Its totient is φ = 122174976.

The previous prime is 322223999. The next prime is 322224029. The reversal of 322224020 is 20422223.

It is a self number, because there is not a number n which added to its sum of digits gives 322224020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322224029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48881 + ... + 55079.

It is an arithmetic number, because the mean of its divisors is an integer number (14842800).

Almost surely, 2^322224020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322224020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356227200).

322224020 is an abundant number, since it is smaller than the sum of its proper divisors (390230380).

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

322224020 is a wasteful number, since it uses less digits than its factorization.

322224020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6344 (or 6342 counting only the distinct ones).

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

The square root of 322224020 is about 17950.5994328880. The cubic root of 322224020 is about 685.5713137356.

Adding to 322224020 its reverse (20422223), we get a palindrome (342646243).

The spelling of 322224020 in words is "three hundred twenty-two million, two hundred twenty-four thousand, twenty".