494218228 has 24 divisors (see below), whose sum is σ = 989512832. Its totient is φ = 211577184.

The previous prime is 494218211. The next prime is 494218229. The reversal of 494218228 is 822812494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494218229) 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, 17950 + ... + 36202.

Almost surely, 2^494218228 is an apocalyptic number.

It is an amenable number.

494218228 is an abundant number, since it is smaller than the sum of its proper divisors (495294604).

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

494218228 is a wasteful number, since it uses less digits than its factorization.

494218228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19231 (or 19229 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 494218228 is about 22231.0194997890. The cubic root of 494218228 is about 790.6293270876.

The spelling of 494218228 in words is "four hundred ninety-four million, two hundred eighteen thousand, two hundred twenty-eight".