2225045281 has 2 divisors, whose sum is σ = 2225045282. Its totient is φ = 2225045280.

The previous prime is 2225045279. The next prime is 2225045297. The reversal of 2225045281 is 1825405222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1473408225 + 751637056 = 38385^2 + 27416^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225045281 - 2¹ = 2225045279 is a prime.

It is a super-2 number, since 2×2225045281² = 9901653005000737922, which contains 22 as substring.

Together with 2225045279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2225045201) 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, 1112522640 + 1112522641.

It is an arithmetic number, because the mean of its divisors is an integer number (1112522641).

Almost surely, 2^2225045281 is an apocalyptic number.

It is an amenable number.

2225045281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225045281 is an equidigital number, since it uses as much as digits as its factorization.

2225045281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 2225045281 is about 47170.3856354811. The cubic root of 2225045281 is about 1305.5082416263.

The spelling of 2225045281 in words is "two billion, two hundred twenty-five million, forty-five thousand, two hundred eighty-one".