228718694 has 8 divisors (see below), whose sum is σ = 361134840. Its totient is φ = 108340416.

The previous prime is 228718687. The next prime is 228718717. The reversal of 228718694 is 496817822.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3009419 + ... + 3009494.

It is an arithmetic number, because the mean of its divisors is an integer number (45141855).

Almost surely, 2^228718694 is an apocalyptic number.

228718694 is a deficient number, since it is larger than the sum of its proper divisors (132416146).

228718694 is a wasteful number, since it uses less digits than its factorization.

228718694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6018934.

The product of its digits is 387072, while the sum is 47.

The square root of 228718694 is about 15123.4484824064. The cubic root of 228718694 is about 611.5526994128.

The spelling of 228718694 in words is "two hundred twenty-eight million, seven hundred eighteen thousand, six hundred ninety-four".