228744263 has 8 divisors (see below), whose sum is σ = 252698880. Its totient is φ = 205316280.

The previous prime is 228744247. The next prime is 228744277. The reversal of 228744263 is 362447822.

228744263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 228744263 - 2⁴ = 228744247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228744203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130745 + ... + 132482.

It is an arithmetic number, because the mean of its divisors is an integer number (31587360).

Almost surely, 2^228744263 is an apocalyptic number.

228744263 is a deficient number, since it is larger than the sum of its proper divisors (23954617).

228744263 is a wasteful number, since it uses less digits than its factorization.

228744263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263317.

The product of its digits is 129024, while the sum is 38.

The square root of 228744263 is about 15124.2938016953. The cubic root of 228744263 is about 611.5754875345.

The spelling of 228744263 in words is "two hundred twenty-eight million, seven hundred forty-four thousand, two hundred sixty-three".