228141437 has 2 divisors, whose sum is σ = 228141438. Its totient is φ = 228141436.

The previous prime is 228141401. The next prime is 228141449. The reversal of 228141437 is 734141822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180338041 + 47803396 = 13429^2 + 6914^2 .

It is a cyclic number.

It is not a de Polignac number, because 228141437 - 2⁶ = 228141373 is a prime.

It is a Chen prime.

It is equal to p_12545951 and since 228141437 and 12545951 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228141497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114070718 + 114070719.

It is an arithmetic number, because the mean of its divisors is an integer number (114070719).

Almost surely, 2^228141437 is an apocalyptic number.

It is an amenable number.

228141437 is a deficient number, since it is larger than the sum of its proper divisors (1).

228141437 is an equidigital number, since it uses as much as digits as its factorization.

228141437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 228141437 is about 15104.3515915116. The cubic root of 228141437 is about 611.0377721271.

The spelling of 228141437 in words is "two hundred twenty-eight million, one hundred forty-one thousand, four hundred thirty-seven".