2281949105 has 4 divisors (see below), whose sum is σ = 2738338932. Its totient is φ = 1825559280.

The previous prime is 2281949093. The next prime is 2281949107. The reversal of 2281949105 is 5019491822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5019491822 = 2 ⋅2509745911.

It can be written as a sum of positive squares in 2 ways, for example, as 840304144 + 1441644961 = 28988^2 + 37969^2 .

It is not a de Polignac number, because 2281949105 - 2⁶ = 2281949041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2281949107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228194906 + ... + 228194915.

It is an arithmetic number, because the mean of its divisors is an integer number (684584733).

Almost surely, 2^2281949105 is an apocalyptic number.

It is an amenable number.

2281949105 is a deficient number, since it is larger than the sum of its proper divisors (456389827).

2281949105 is an equidigital number, since it uses as much as digits as its factorization.

2281949105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456389826.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 2281949105 is about 47769.7509413646. The cubic root of 2281949105 is about 1316.5438175898.

The spelling of 2281949105 in words is "two billion, two hundred eighty-one million, nine hundred forty-nine thousand, one hundred five".