32221451340552 has 64 divisors (see below), whose sum is σ = 80934438168000. Its totient is φ = 10689742819584.

The previous prime is 32221451340527. The next prime is 32221451340569. The reversal of 32221451340552 is 25504315412223.

It is a self number, because there is not a number n which added to its sum of digits gives 32221451340552.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14277303 + ... + 16379385.

It is an arithmetic number, because the mean of its divisors is an integer number (1264600596375).

Almost surely, 2^{32221451340552} is an apocalyptic number.

It is an amenable number.

32221451340552 is an abundant number, since it is smaller than the sum of its proper divisors (48712986827448).

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

32221451340552 is a wasteful number, since it uses less digits than its factorization.

32221451340552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105110 (or 2105106 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 32221451340552 its reverse (25504315412223), we get a palindrome (57725766752775).

The spelling of 32221451340552 in words is "thirty-two trillion, two hundred twenty-one billion, four hundred fifty-one million, three hundred forty thousand, five hundred fifty-two".