228838583 has 2 divisors, whose sum is σ = 228838584. Its totient is φ = 228838582.

The previous prime is 228838579. The next prime is 228838591. The reversal of 228838583 is 385838822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228838583 - 2² = 228838579 is a prime.

It is a super-3 number, since 3×228838583³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228838543) 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 as a sum of consecutive naturals, namely, 114419291 + 114419292.

It is an arithmetic number, because the mean of its divisors is an integer number (114419292).

Almost surely, 2^228838583 is an apocalyptic number.

228838583 is a deficient number, since it is larger than the sum of its proper divisors (1).

228838583 is an equidigital number, since it uses as much as digits as its factorization.

228838583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 737280, while the sum is 47.

The square root of 228838583 is about 15127.4116424456. The cubic root of 228838583 is about 611.6595346310.

The spelling of 228838583 in words is "two hundred twenty-eight million, eight hundred thirty-eight thousand, five hundred eighty-three".