228140234 has 8 divisors (see below), whose sum is σ = 391097568. Its totient is φ = 97774380.

The previous prime is 228140219. The next prime is 228140251. The reversal of 228140234 is 432041822.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 8147852 + ... + 8147879.

It is an arithmetic number, because the mean of its divisors is an integer number (48887196).

Almost surely, 2^228140234 is an apocalyptic number.

228140234 is a deficient number, since it is larger than the sum of its proper divisors (162957334).

228140234 is a wasteful number, since it uses less digits than its factorization.

228140234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16295740.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 228140234 is about 15104.3117684984. The cubic root of 228140234 is about 611.0366981153.

The spelling of 228140234 in words is "two hundred twenty-eight million, one hundred forty thousand, two hundred thirty-four".