228739093101218 has 16 divisors (see below), whose sum is σ = 399522728652480. Its totient is φ = 96181397637936.

The previous prime is 228739093101209. The next prime is 228739093101293. The reversal of 228739093101218 is 812101390937822.

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, 154136854448 + ... + 154136855931.

It is an arithmetic number, because the mean of its divisors is an integer number (24970170540780).

Almost surely, 2^{228739093101218} is an apocalyptic number.

228739093101218 is a deficient number, since it is larger than the sum of its proper divisors (170783635551262).

228739093101218 is a wasteful number, since it uses less digits than its factorization.

228739093101218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308273710441.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 228739093101218 in words is "two hundred twenty-eight trillion, seven hundred thirty-nine billion, ninety-three million, one hundred one thousand, two hundred eighteen".