32221213304 has 16 divisors (see below), whose sum is σ = 69045457200. Its totient is φ = 13809091392.

The previous prime is 32221213303. The next prime is 32221213351. The reversal of 32221213304 is 40331212223.

It is a self number, because there is not a number n which added to its sum of digits gives 32221213304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32221213303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287689349 + ... + 287689460.

It is an arithmetic number, because the mean of its divisors is an integer number (4315341075).

Almost surely, 2^32221213304 is an apocalyptic number.

It is an amenable number.

32221213304 is an abundant number, since it is smaller than the sum of its proper divisors (36824243896).

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

32221213304 is a wasteful number, since it uses less digits than its factorization.

32221213304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575378822 (or 575378818 counting only the distinct ones).

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

Adding to 32221213304 its reverse (40331212223), we get a palindrome (72552425527).

The spelling of 32221213304 in words is "thirty-two billion, two hundred twenty-one million, two hundred thirteen thousand, three hundred four".