63071228 has 12 divisors (see below), whose sum is σ = 120408792. Its totient is φ = 28668720.

The previous prime is 63071189. The next prime is 63071237. The reversal of 63071228 is 82217036.

It is a happy number.

It is a super-3 number, since 3×63071228³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 63071228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716675 + ... + 716762.

It is an arithmetic number, because the mean of its divisors is an integer number (10034066).

Almost surely, 2^63071228 is an apocalyptic number.

It is an amenable number.

63071228 is a deficient number, since it is larger than the sum of its proper divisors (57337564).

63071228 is a wasteful number, since it uses less digits than its factorization.

63071228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433452 (or 1433450 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 63071228 is about 7941.7396079197. The cubic root of 63071228 is about 398.0556221346.

The spelling of 63071228 in words is "sixty-three million, seventy-one thousand, two hundred twenty-eight".