228743041 has 4 divisors (see below), whose sum is σ = 242198532. Its totient is φ = 215287552.

The previous prime is 228743023. The next prime is 228743051. The reversal of 228743041 is 140347822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140347822 = 2 ⋅70173911.

It can be written as a sum of positive squares in 2 ways, for example, as 75082225 + 153660816 = 8665^2 + 12396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228743041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228742994 and 228743012.

It is not an unprimeable number, because it can be changed into a prime (228743051) 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 3 ways as a sum of consecutive naturals, for example, 6727720 + ... + 6727753.

It is an arithmetic number, because the mean of its divisors is an integer number (60549633).

Almost surely, 2^228743041 is an apocalyptic number.

It is an amenable number.

228743041 is a deficient number, since it is larger than the sum of its proper divisors (13455491).

228743041 is a wasteful number, since it uses less digits than its factorization.

228743041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455490.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 228743041 is about 15124.2534030609. The cubic root of 228743041 is about 611.5743984776.

The spelling of 228743041 in words is "two hundred twenty-eight million, seven hundred forty-three thousand, forty-one".