548397228 has 24 divisors (see below), whose sum is σ = 1346941120. Its totient is φ = 173178000.

The previous prime is 548397193. The next prime is 548397251. The reversal of 548397228 is 822793845.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202398 + ... + 1202853.

Almost surely, 2^548397228 is an apocalyptic number.

It is an amenable number.

548397228 is an abundant number, since it is smaller than the sum of its proper divisors (798543892).

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

548397228 is a wasteful number, since it uses less digits than its factorization.

548397228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405277 (or 2405275 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 548397228 is about 23417.8826540744. The cubic root of 548397228 is about 818.5246264440.

The spelling of 548397228 in words is "five hundred forty-eight million, three hundred ninety-seven thousand, two hundred twenty-eight".