228798742 has 16 divisors (see below), whose sum is σ = 347120640. Its totient is φ = 113096488.

The previous prime is 228798727. The next prime is 228798749. The reversal of 228798742 is 247897822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228798749) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 153123 + ... + 154609.

It is an arithmetic number, because the mean of its divisors is an integer number (21695040).

Almost surely, 2^228798742 is an apocalyptic number.

228798742 is a deficient number, since it is larger than the sum of its proper divisors (118321898).

228798742 is a wasteful number, since it uses less digits than its factorization.

228798742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315.

The product of its digits is 903168, while the sum is 49.

The square root of 228798742 is about 15126.0947372413. The cubic root of 228798742 is about 611.6240357485.

The spelling of 228798742 in words is "two hundred twenty-eight million, seven hundred ninety-eight thousand, seven hundred forty-two".