228424241 has 4 divisors (see below), whose sum is σ = 228454500. Its totient is φ = 228393984.

The previous prime is 228424219. The next prime is 228424249. The reversal of 228424241 is 142424822.

It is a happy number.

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 can be written as a sum of positive squares in 2 ways, for example, as 122766400 + 105657841 = 11080^2 + 10279^2 .

It is a cyclic number.

It is not a de Polignac number, because 228424241 - 2¹⁸ = 228162097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228424249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6545 + ... + 22353.

It is an arithmetic number, because the mean of its divisors is an integer number (57113625).

Almost surely, 2^228424241 is an apocalyptic number.

It is an amenable number.

228424241 is a deficient number, since it is larger than the sum of its proper divisors (30259).

228424241 is a wasteful number, since it uses less digits than its factorization.

228424241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30258.

The product of its digits is 8192, while the sum is 29.

The square root of 228424241 is about 15113.7103650957. The cubic root of 228424241 is about 611.2901485694.

The spelling of 228424241 in words is "two hundred twenty-eight million, four hundred twenty-four thousand, two hundred forty-one".