63533228 has 18 divisors (see below), whose sum is σ = 122210508. Its totient is φ = 28878520.

The previous prime is 63533221. The next prime is 63533251. The reversal of 63533228 is 82233536.

63533228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 63533194 and 63533203.

It is not an unprimeable number, because it can be changed into a prime (63533221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65150 + ... + 66117.

Almost surely, 2^63533228 is an apocalyptic number.

It is an amenable number.

63533228 is a deficient number, since it is larger than the sum of its proper divisors (58677280).

63533228 is a wasteful number, since it uses less digits than its factorization.

63533228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131293 (or 131280 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 63533228 is about 7970.7733627296. The cubic root of 63533228 is about 399.0251846005.

The spelling of 63533228 in words is "sixty-three million, five hundred thirty-three thousand, two hundred twenty-eight".