228837648 has 40 divisors (see below), whose sum is σ = 636639808. Its totient is φ = 70411392.

The previous prime is 228837611. The next prime is 228837671. The reversal of 228837648 is 846738822.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 228837597 and 228837606.

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, 182740 + ... + 183987.

Almost surely, 2^228837648 is an apocalyptic number.

It is an amenable number.

228837648 is an abundant number, since it is smaller than the sum of its proper divisors (407802160).

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

228837648 is a wasteful number, since it uses less digits than its factorization.

228837648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366751 (or 366745 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The square root of 228837648 is about 15127.3807382508. The cubic root of 228837648 is about 611.6587015802.

The spelling of 228837648 in words is "two hundred twenty-eight million, eight hundred thirty-seven thousand, six hundred forty-eight".