539218228 has 24 divisors (see below), whose sum is σ = 992728800. Its totient is φ = 255896928.

The previous prime is 539218219. The next prime is 539218231. The reversal of 539218228 is 822812935.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32550 + ... + 46237.

It is an arithmetic number, because the mean of its divisors is an integer number (41363700).

Almost surely, 2^539218228 is an apocalyptic number.

539218228 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

539218228 is a deficient number, since it is larger than the sum of its proper divisors (453510572).

539218228 is a wasteful number, since it uses less digits than its factorization.

539218228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78879 (or 78877 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 539218228 is about 23221.0729295612. The cubic root of 539218228 is about 813.9321219109.

The spelling of 539218228 in words is "five hundred thirty-nine million, two hundred eighteen thousand, two hundred twenty-eight".