322205345312 has 24 divisors (see below), whose sum is σ = 651486148236. Its totient is φ = 156748545792.

The previous prime is 322205345309. The next prime is 322205345317. The reversal of 322205345312 is 213543502223.

It can be written as a sum of positive squares in 2 ways, for example, as 317640451216 + 4564894096 = 563596^2 + 67564^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (322205345317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136065263 + ... + 136067630.

Almost surely, 2^322205345312 is an apocalyptic number.

322205345312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

322205345312 is an abundant number, since it is smaller than the sum of its proper divisors (329280802924).

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

322205345312 is a wasteful number, since it uses less digits than its factorization.

322205345312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272132940 (or 272132932 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 322205345312 its reverse (213543502223), we get a palindrome (535748847535).

The spelling of 322205345312 in words is "three hundred twenty-two billion, two hundred five million, three hundred forty-five thousand, three hundred twelve".