2268481 has 2 divisors, whose sum is σ = 2268482. Its totient is φ = 2268480.

The previous prime is 2268451. The next prime is 2268503. The reversal of 2268481 is 1848622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 266256 = 1415^2 + 516^2 .

It is a cyclic number.

It is not a de Polignac number, because 2268481 - 2⁵ = 2268449 is a prime.

It is a super-2 number, since 2×2268481² = 10292012094722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2268451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134240 + 1134241.

It is an arithmetic number, because the mean of its divisors is an integer number (1134241).

2^2268481 is an apocalyptic number.

It is an amenable number.

2268481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268481 is an equidigital number, since it uses as much as digits as its factorization.

2268481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 31.

The square root of 2268481 is about 1506.1477351176. The cubic root of 2268481 is about 131.3948616737.

The spelling of 2268481 in words is "two million, two hundred sixty-eight thousand, four hundred eighty-one".