228326837 has 2 divisors, whose sum is σ = 228326838. Its totient is φ = 228326836.

The previous prime is 228326807. The next prime is 228326867. The reversal of 228326837 is 738623822.

It is a balanced prime because it is at equal distance from previous prime (228326807) and next prime (228326867).

It can be written as a sum of positive squares in only one way, i.e., 135512881 + 92813956 = 11641^2 + 9634^2 .

It is a cyclic number.

It is not a de Polignac number, because 228326837 - 2¹⁰ = 228325813 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 228326794 and 228326803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228326807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114163418 + 114163419.

It is an arithmetic number, because the mean of its divisors is an integer number (114163419).

Almost surely, 2^228326837 is an apocalyptic number.

It is an amenable number.

228326837 is a deficient number, since it is larger than the sum of its proper divisors (1).

228326837 is an equidigital number, since it uses as much as digits as its factorization.

228326837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 228326837 is about 15110.4876493117. The cubic root of 228326837 is about 611.2032480277.

The spelling of 228326837 in words is "two hundred twenty-eight million, three hundred twenty-six thousand, eight hundred thirty-seven".