228351234 has 16 divisors (see below), whose sum is σ = 480739680. Its totient is φ = 72110880.

The previous prime is 228351223. The next prime is 228351257. The reversal of 228351234 is 432153822.

It is an unprimeable number.

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, 1001427 + ... + 1001654.

It is an arithmetic number, because the mean of its divisors is an integer number (30046230).

Almost surely, 2^228351234 is an apocalyptic number.

228351234 is an abundant number, since it is smaller than the sum of its proper divisors (252388446).

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

228351234 is a wasteful number, since it uses less digits than its factorization.

228351234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003105.

The product of its digits is 11520, while the sum is 30.

The square root of 228351234 is about 15111.2949147318. The cubic root of 228351234 is about 611.2250165223.

The spelling of 228351234 in words is "two hundred twenty-eight million, three hundred fifty-one thousand, two hundred thirty-four".