228711814 has 16 divisors (see below), whose sum is σ = 349531200. Its totient is φ = 112210560.

The previous prime is 228711799. The next prime is 228711853. The reversal of 228711814 is 418117822.

It is a self number, because there is not a number n which added to its sum of digits gives 228711814.

It is a congruent number.

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, 54462 + ... + 58510.

It is an arithmetic number, because the mean of its divisors is an integer number (21845700).

Almost surely, 2^228711814 is an apocalyptic number.

228711814 is a deficient number, since it is larger than the sum of its proper divisors (120819386).

228711814 is a wasteful number, since it uses less digits than its factorization.

228711814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575.

The product of its digits is 7168, while the sum is 34.

The square root of 228711814 is about 15123.2210193464. The cubic root of 228711814 is about 611.5465673900.

The spelling of 228711814 in words is "two hundred twenty-eight million, seven hundred eleven thousand, eight hundred fourteen".