2281105217 has 2 divisors, whose sum is σ = 2281105218. Its totient is φ = 2281105216.

The previous prime is 2281105153. The next prime is 2281105223. The reversal of 2281105217 is 7125011822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1407075121 + 874030096 = 37511^2 + 29564^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281105217 - 2⁶ = 2281105153 is a prime.

It is a super-2 number, since 2×2281105217² = 10406882022049234178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2281105217.

It is not a weakly prime, because it can be changed into another prime (2281105297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140552608 + 1140552609.

It is an arithmetic number, because the mean of its divisors is an integer number (1140552609).

Almost surely, 2^2281105217 is an apocalyptic number.

It is an amenable number.

2281105217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281105217 is an equidigital number, since it uses as much as digits as its factorization.

2281105217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 2281105217 is about 47760.9172545922. The cubic root of 2281105217 is about 1316.3815071465.

The spelling of 2281105217 in words is "two billion, two hundred eighty-one million, one hundred five thousand, two hundred seventeen".