228648514 has 32 divisors (see below), whose sum is σ = 358318080. Its totient is φ = 109358928.

The previous prime is 228648503. The next prime is 228648523. The reversal of 228648514 is 415846822.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277277 + ... + 1277455.

It is an arithmetic number, because the mean of its divisors is an integer number (11197440).

Almost surely, 2^228648514 is an apocalyptic number.

228648514 is a deficient number, since it is larger than the sum of its proper divisors (129669566).

228648514 is a wasteful number, since it uses less digits than its factorization.

228648514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its digits is 122880, while the sum is 40.

The square root of 228648514 is about 15121.1280663845. The cubic root of 228648514 is about 611.4901434433.

The spelling of 228648514 in words is "two hundred twenty-eight million, six hundred forty-eight thousand, five hundred fourteen".