227316444437 has 2 divisors, whose sum is σ = 227316444438. Its totient is φ = 227316444436.

The previous prime is 227316444427. The next prime is 227316444517. The reversal of 227316444437 is 734444613722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194334615556 + 32981828881 = 440834^2 + 181609^2 .

It is a cyclic number.

It is not a de Polignac number, because 227316444437 - 2⁸ = 227316444181 is a prime.

It is a super-2 number, since 2×227316444437² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 227316444391 and 227316444400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227316444427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113658222218 + 113658222219.

It is an arithmetic number, because the mean of its divisors is an integer number (113658222219).

Almost surely, 2^227316444437 is an apocalyptic number.

It is an amenable number.

227316444437 is a deficient number, since it is larger than the sum of its proper divisors (1).

227316444437 is an equidigital number, since it uses as much as digits as its factorization.

227316444437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 47.

The spelling of 227316444437 in words is "two hundred twenty-seven billion, three hundred sixteen million, four hundred forty-four thousand, four hundred thirty-seven".