228354743 has 4 divisors (see below), whose sum is σ = 228385080. Its totient is φ = 228324408.

The previous prime is 228354719. The next prime is 228354757. The reversal of 228354743 is 347453822.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 228354743 - 2¹⁶ = 228289207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228354697 and 228354706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228354943) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5621 + ... + 22097.

It is an arithmetic number, because the mean of its divisors is an integer number (57096270).

Almost surely, 2^228354743 is an apocalyptic number.

228354743 is a deficient number, since it is larger than the sum of its proper divisors (30337).

228354743 is a wasteful number, since it uses less digits than its factorization.

228354743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30336.

The product of its digits is 161280, while the sum is 38.

The square root of 228354743 is about 15111.4110194912. The cubic root of 228354743 is about 611.2281473390.

The spelling of 228354743 in words is "two hundred twenty-eight million, three hundred fifty-four thousand, seven hundred forty-three".