547439228 has 12 divisors (see below), whose sum is σ = 1094878512. Its totient is φ = 234616800.

The previous prime is 547439227. The next prime is 547439231. The reversal of 547439228 is 822934745.

547439228 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547439227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9775673 + ... + 9775728.

It is an arithmetic number, because the mean of its divisors is an integer number (91239876).

Almost surely, 2^547439228 is an apocalyptic number.

It is an amenable number.

547439228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

547439228 is a wasteful number, since it uses less digits than its factorization.

547439228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19551412 (or 19551410 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 547439228 is about 23397.4192593970. The cubic root of 547439228 is about 818.0477193125.

The spelling of 547439228 in words is "five hundred forty-seven million, four hundred thirty-nine thousand, two hundred twenty-eight".