63228320 has 48 divisors (see below), whose sum is σ = 150504480. Its totient is φ = 25100544.

The previous prime is 63228317. The next prime is 63228331. The reversal of 63228320 is 2382236.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 63228320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20819 + ... + 23661.

It is an arithmetic number, because the mean of its divisors is an integer number (3135510).

Almost surely, 2^63228320 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 63228320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75252240).

63228320 is an abundant number, since it is smaller than the sum of its proper divisors (87276160).

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

63228320 is a wasteful number, since it uses less digits than its factorization.

63228320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997 (or 2989 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 63228320 is about 7951.6237335528. The cubic root of 63228320 is about 398.3858282191.

The spelling of 63228320 in words is "sixty-three million, two hundred twenty-eight thousand, three hundred twenty".