227215539049 has 2 divisors, whose sum is σ = 227215539050. Its totient is φ = 227215539048.

The previous prime is 227215539041. The next prime is 227215539053. The reversal of 227215539049 is 940935512722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158515459600 + 68700079449 = 398140^2 + 262107^2 .

It is a cyclic number.

It is not a de Polignac number, because 227215539049 - 2³ = 227215539041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227215538993 and 227215539011.

It is not a weakly prime, because it can be changed into another prime (227215539041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113607769524 + 113607769525.

It is an arithmetic number, because the mean of its divisors is an integer number (113607769525).

Almost surely, 2^227215539049 is an apocalyptic number.

It is an amenable number.

227215539049 is a deficient number, since it is larger than the sum of its proper divisors (1).

227215539049 is an equidigital number, since it uses as much as digits as its factorization.

227215539049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 227215539049 in words is "two hundred twenty-seven billion, two hundred fifteen million, five hundred thirty-nine thousand, forty-nine".