63197228 has 24 divisors (see below), whose sum is σ = 117390672. Its totient is φ = 29666304.

The previous prime is 63197227. The next prime is 63197257. The reversal of 63197228 is 82279136.

It is a junction number, because it is equal to n+sod(n) for n = 63197191 and 63197200.

It is not an unprimeable number, because it can be changed into a prime (63197227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34676 + ... + 36452.

It is an arithmetic number, because the mean of its divisors is an integer number (4891278).

Almost surely, 2^63197228 is an apocalyptic number.

63197228 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

63197228 is a deficient number, since it is larger than the sum of its proper divisors (54193444).

63197228 is a wasteful number, since it uses less digits than its factorization.

63197228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2319 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 63197228 is about 7949.6684207582. The cubic root of 63197228 is about 398.3205165409.

The spelling of 63197228 in words is "sixty-three million, one hundred ninety-seven thousand, two hundred twenty-eight".