2266571249 has 2 divisors, whose sum is σ = 2266571250. Its totient is φ = 2266571248.

The previous prime is 2266571243. The next prime is 2266571297. The reversal of 2266571249 is 9421756622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1767361600 + 499209649 = 42040^2 + 22343^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266571249 - 2¹⁶ = 2266505713 is a prime.

It is not a weakly prime, because it can be changed into another prime (2266571243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133285624 + 1133285625.

It is an arithmetic number, because the mean of its divisors is an integer number (1133285625).

Almost surely, 2^2266571249 is an apocalyptic number.

It is an amenable number.

2266571249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266571249 is an equidigital number, since it uses as much as digits as its factorization.

2266571249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 2266571249 is about 47608.5207604689. The cubic root of 2266571249 is about 1313.5797914924.

The spelling of 2266571249 in words is "two billion, two hundred sixty-six million, five hundred seventy-one thousand, two hundred forty-nine".