2271836473 has 2 divisors, whose sum is σ = 2271836474. Its totient is φ = 2271836472.

The previous prime is 2271836471. The next prime is 2271836507. The reversal of 2271836473 is 3746381722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1315295289 + 956541184 = 36267^2 + 30928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2271836473 - 2¹ = 2271836471 is a prime.

It is a super-2 number, since 2×2271836473² = 10322481920106159458, which contains 22 as substring.

Together with 2271836471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2271836471) 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, 1135918236 + 1135918237.

It is an arithmetic number, because the mean of its divisors is an integer number (1135918237).

Almost surely, 2^2271836473 is an apocalyptic number.

It is an amenable number.

2271836473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271836473 is an equidigital number, since it uses as much as digits as its factorization.

2271836473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The square root of 2271836473 is about 47663.7857602604. The cubic root of 2271836473 is about 1314.5961494610.

The spelling of 2271836473 in words is "two billion, two hundred seventy-one million, eight hundred thirty-six thousand, four hundred seventy-three".