228341247 has 8 divisors (see below), whose sum is σ = 307149744. Its totient is φ = 150880128.

The previous prime is 228341237. The next prime is 228341261. The reversal of 228341247 is 742143822.

It is a happy number.

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

It is not a de Polignac number, because 228341247 - 2²³ = 219952639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228341207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336448 + ... + 337125.

It is an arithmetic number, because the mean of its divisors is an integer number (38393718).

Almost surely, 2^228341247 is an apocalyptic number.

228341247 is a deficient number, since it is larger than the sum of its proper divisors (78808497).

228341247 is a wasteful number, since it uses less digits than its factorization.

228341247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673689.

The product of its digits is 21504, while the sum is 33.

The square root of 228341247 is about 15110.9644629322. The cubic root of 228341247 is about 611.2161056979.

The spelling of 228341247 in words is "two hundred twenty-eight million, three hundred forty-one thousand, two hundred forty-seven".