2281275349 has 2 divisors, whose sum is σ = 2281275350. Its totient is φ = 2281275348.

The previous prime is 2281275319. The next prime is 2281275419. The reversal of 2281275349 is 9435721822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1647142225 + 634133124 = 40585^2 + 25182^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281275349 - 2⁷ = 2281275221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281275319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140637674 + 1140637675.

It is an arithmetic number, because the mean of its divisors is an integer number (1140637675).

Almost surely, 2^2281275349 is an apocalyptic number.

It is an amenable number.

2281275349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281275349 is an equidigital number, since it uses as much as digits as its factorization.

2281275349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 2281275349 is about 47762.6983010801. The cubic root of 2281275349 is about 1316.4142329570.

The spelling of 2281275349 in words is "two billion, two hundred eighty-one million, two hundred seventy-five thousand, three hundred forty-nine".