532221920 has 96 divisors (see below), whose sum is σ = 1369418400. Its totient is φ = 194697216.

The previous prime is 532221917. The next prime is 532221931. The reversal of 532221920 is 29122235.

It is a self number, because there is not a number n which added to its sum of digits gives 532221920.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 85142 + ... + 91178.

It is an arithmetic number, because the mean of its divisors is an integer number (14264775).

Almost surely, 2^532221920 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 532221920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684709200).

532221920 is an abundant number, since it is smaller than the sum of its proper divisors (837196480).

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

532221920 is a wasteful number, since it uses less digits than its factorization.

532221920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100 (or 6092 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 532221920 is about 23069.9354138671. The cubic root of 532221920 is about 810.3965542891.

The spelling of 532221920 in words is "five hundred thirty-two million, two hundred twenty-one thousand, nine hundred twenty".