232221022320 has 160 divisors (see below), whose sum is σ = 849265643520. Its totient is φ = 51366850560.

The previous prime is 232221022307. The next prime is 232221022321. The reversal of 232221022320 is 23220122232.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232221022321) 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 31 ways as a sum of consecutive naturals, for example, 2177385 + ... + 2281544.

It is an arithmetic number, because the mean of its divisors is an integer number (5307910272).

Almost surely, 2^232221022320 is an apocalyptic number.

232221022320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232221022320 is an abundant number, since it is smaller than the sum of its proper divisors (617044621200).

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

232221022320 is a wasteful number, since it uses less digits than its factorization.

232221022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4458983 (or 4458977 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 232221022320 its reverse (23220122232), we get a palindrome (255441144552).

The spelling of 232221022320 in words is "two hundred thirty-two billion, two hundred twenty-one million, twenty-two thousand, three hundred twenty".