228826742 has 4 divisors (see below), whose sum is σ = 343240116. Its totient is φ = 114413370.

The previous prime is 228826727. The next prime is 228826751. The reversal of 228826742 is 247628822.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 228826742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57206684 + ... + 57206687.

It is an arithmetic number, because the mean of its divisors is an integer number (85810029).

Almost surely, 2^228826742 is an apocalyptic number.

228826742 is a deficient number, since it is larger than the sum of its proper divisors (114413374).

228826742 is a wasteful number, since it uses less digits than its factorization.

228826742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114413373.

The product of its digits is 172032, while the sum is 41.

The square root of 228826742 is about 15127.0202617700. The cubic root of 228826742 is about 611.6489845664.

The spelling of 228826742 in words is "two hundred twenty-eight million, eight hundred twenty-six thousand, seven hundred forty-two".