322221132032 has 18 divisors (see below), whose sum is σ = 643183588278. Its totient is φ = 161110565888.

The previous prime is 322221132011. The next prime is 322221132047. The reversal of 322221132032 is 230231122223.

It can be written as a sum of positive squares in only one way, i.e., 283892889856 + 38328242176 = 532816^2 + 195776^2 .

It is a junction number, because it is equal to n+sod(n) for n = 322221131989 and 322221132007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629337893 + ... + 629338404.

It is an arithmetic number, because the mean of its divisors is an integer number (35732421571).

Almost surely, 2^322221132032 is an apocalyptic number.

322221132032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

322221132032 is a deficient number, since it is larger than the sum of its proper divisors (320962456246).

322221132032 is an equidigital number, since it uses as much as digits as its factorization.

322221132032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258676313 (or 1258676299 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 322221132032 its reverse (230231122223), we get a palindrome (552452254255).

The spelling of 322221132032 in words is "three hundred twenty-two billion, two hundred twenty-one million, one hundred thirty-two thousand, thirty-two".