228241399 has 2 divisors, whose sum is σ = 228241400. Its totient is φ = 228241398.

The previous prime is 228241369. The next prime is 228241411. The reversal of 228241399 is 993142822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228241399 - 2⁵ = 228241367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228241369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114120699 + 114120700.

It is an arithmetic number, because the mean of its divisors is an integer number (114120700).

Almost surely, 2^228241399 is an apocalyptic number.

228241399 is a deficient number, since it is larger than the sum of its proper divisors (1).

228241399 is an equidigital number, since it uses as much as digits as its factorization.

228241399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 228241399 is about 15107.6602755026. The cubic root of 228241399 is about 611.1270027958.

It can be divided in two parts, 2282 and 41399, that added together give a square (43681 = 209²).

The spelling of 228241399 in words is "two hundred twenty-eight million, two hundred forty-one thousand, three hundred ninety-nine".