226999837 has 2 divisors, whose sum is σ = 226999838. Its totient is φ = 226999836.

The previous prime is 226999777. The next prime is 226999873. The reversal of 226999837 is 738999622.

It is a happy number.

Together with next prime (226999873) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225180036 + 1819801 = 15006^2 + 1349^2 .

It is a cyclic number.

It is not a de Polignac number, because 226999837 - 2¹¹ = 226997789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226999637) 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, 113499918 + 113499919.

It is an arithmetic number, because the mean of its divisors is an integer number (113499919).

Almost surely, 2^226999837 is an apocalyptic number.

It is an amenable number.

226999837 is a deficient number, since it is larger than the sum of its proper divisors (1).

226999837 is an equidigital number, since it uses as much as digits as its factorization.

226999837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 55.

The square root of 226999837 is about 15066.5137639734. The cubic root of 226999837 is about 610.0168740293.

The spelling of 226999837 in words is "two hundred twenty-six million, nine hundred ninety-nine thousand, eight hundred thirty-seven".