322420000 has 240 divisors, whose sum is σ = 944697600. Its totient is φ = 108192000.

The previous prime is 322419989. The next prime is 322420001. The reversal of 322420000 is 24223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322420001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6859977 + ... + 6860023.

It is an arithmetic number, because the mean of its divisors is an integer number (3936240).

Almost surely, 2^322420000 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 322420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472348800).

322420000 is an abundant number, since it is smaller than the sum of its proper divisors (622277600).

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

322420000 is an frugal number, since it uses more digits than its factorization.

322420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 322420000 is about 17956.0574737329. The cubic root of 322420000 is about 685.7102761009.

Adding to 322420000 its reverse (24223), we get a palindrome (322444223).

It can be divided in two parts, 32 and 2420000, that multiplied together give a square (77440000 = 8800²).

The spelling of 322420000 in words is "three hundred twenty-two million, four hundred twenty thousand".