2281182081 has 4 divisors (see below), whose sum is σ = 3041576112. Its totient is φ = 1520788052.

The previous prime is 2281182049. The next prime is 2281182109. The reversal of 2281182081 is 1802811822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2281182081 - 2⁵ = 2281182049 is a prime.

It is a super-2 number, since 2×2281182081² = 10407583373350981122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2281182181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380197011 + ... + 380197016.

It is an arithmetic number, because the mean of its divisors is an integer number (760394028).

Almost surely, 2^2281182081 is an apocalyptic number.

It is an amenable number.

2281182081 is a deficient number, since it is larger than the sum of its proper divisors (760394031).

2281182081 is an equidigital number, since it uses as much as digits as its factorization.

2281182081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760394030.

The product of its (nonzero) digits is 4096, while the sum is 33.

The square root of 2281182081 is about 47761.7219224768. The cubic root of 2281182081 is about 1316.3962925542.

The spelling of 2281182081 in words is "two billion, two hundred eighty-one million, one hundred eighty-two thousand, eighty-one".