2281712234261 has 2 divisors, whose sum is σ = 2281712234262. Its totient is φ = 2281712234260.

The previous prime is 2281712234213. The next prime is 2281712234279. The reversal of 2281712234261 is 1624322171822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1455958370161 + 825753864100 = 1206631^2 + 908710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2281712234261 is a prime.

It is a super-2 number, since 2×2281712234261² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281712234281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140856117130 + 1140856117131.

It is an arithmetic number, because the mean of its divisors is an integer number (1140856117131).

Almost surely, 2^{2281712234261} is an apocalyptic number.

It is an amenable number.

2281712234261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281712234261 is an equidigital number, since it uses as much as digits as its factorization.

2281712234261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The spelling of 2281712234261 in words is "two trillion, two hundred eighty-one billion, seven hundred twelve million, two hundred thirty-four thousand, two hundred sixty-one".