322145536 has 36 divisors (see below), whose sum is σ = 649711972. Its totient is φ = 159399936.

The previous prime is 322145519. The next prime is 322145561. The reversal of 322145536 is 635541223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48441600 + 273703936 = 6960^2 + 16544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 322145498 and 322145507.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18346 + ... + 31318.

Almost surely, 2^322145536 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 322145536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324855986).

322145536 is an abundant number, since it is smaller than the sum of its proper divisors (327566436).

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

322145536 is an equidigital number, since it uses as much as digits as its factorization.

322145536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13086 (or 13072 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 322145536 is about 17948.4131889145. The cubic root of 322145536 is about 685.5156477550.

Adding to 322145536 its reverse (635541223), we get a palindrome (957686759).

The spelling of 322145536 in words is "three hundred twenty-two million, one hundred forty-five thousand, five hundred thirty-six".