63457228 has 12 divisors (see below), whose sum is σ = 111512632. Its totient is φ = 31596480.

The previous prime is 63457223. The next prime is 63457259. The reversal of 63457228 is 82275436.

63457228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (63457223) 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 3 ways as a sum of consecutive naturals, for example, 31950 + ... + 33877.

Almost surely, 2^63457228 is an apocalyptic number.

It is an amenable number.

63457228 is a deficient number, since it is larger than the sum of its proper divisors (48055404).

63457228 is a wasteful number, since it uses less digits than its factorization.

63457228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66072 (or 66070 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 63457228 is about 7966.0045192053. The cubic root of 63457228 is about 398.8660132229.

The spelling of 63457228 in words is "sixty-three million, four hundred fifty-seven thousand, two hundred twenty-eight".