322720476 has 48 divisors (see below), whose sum is σ = 815259648. Its totient is φ = 98769600.

The previous prime is 322720459. The next prime is 322720477. The reversal of 322720476 is 674027223.

322720476 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322720477) 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, 24381 + ... + 35211.

It is an arithmetic number, because the mean of its divisors is an integer number (16984576).

Almost surely, 2^322720476 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 322720476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407629824).

322720476 is an abundant number, since it is smaller than the sum of its proper divisors (492539172).

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

322720476 is a wasteful number, since it uses less digits than its factorization.

322720476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11042 (or 11040 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 322720476 is about 17964.4225067214. The cubic root of 322720476 is about 685.9232235076.

Adding to 322720476 its reverse (674027223), we get a palindrome (996747699).

The spelling of 322720476 in words is "three hundred twenty-two million, seven hundred twenty thousand, four hundred seventy-six".