2282281 has 2 divisors, whose sum is σ = 2282282. Its totient is φ = 2282280.

The previous prime is 2282257. The next prime is 2282303. The reversal of 2282281 is 1822822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1488400 + 793881 = 1220^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 2282281 - 2⁵ = 2282249 is a prime.

It is a super-2 number, since 2×2282281² = 10417613125922, which contains 22 as substring.

2282281 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2282201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1141140 + 1141141.

It is an arithmetic number, because the mean of its divisors is an integer number (1141141).

2^2282281 is an apocalyptic number.

It is an amenable number.

2282281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2282281 is an equidigital number, since it uses as much as digits as its factorization.

2282281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024, while the sum is 25.

The square root of 2282281 is about 1510.7220128137. The cubic root of 2282281 is about 131.6607642140.

The spelling of 2282281 in words is "two million, two hundred eighty-two thousand, two hundred eighty-one".