227872648 has 32 divisors (see below), whose sum is σ = 432588600. Its totient is φ = 112525312.

The previous prime is 227872571. The next prime is 227872649. The reversal of 227872648 is 846278722.

It can be written as a sum of positive squares in 4 ways, for example, as 219099204 + 8773444 = 14802^2 + 2962^2 .

It is a junction number, because it is equal to n+sod(n) for n = 227872598 and 227872607.

It is not an unprimeable number, because it can be changed into a prime (227872649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281268 + ... + 282076.

Almost surely, 2^227872648 is an apocalyptic number.

It is an amenable number.

227872648 is a deficient number, since it is larger than the sum of its proper divisors (204715952).

227872648 is a wasteful number, since it uses less digits than its factorization.

227872648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1205 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The square root of 227872648 is about 15095.4512353888. The cubic root of 227872648 is about 610.7977093879.

The spelling of 227872648 in words is "two hundred twenty-seven million, eight hundred seventy-two thousand, six hundred forty-eight".