2182672281 has 4 divisors (see below), whose sum is σ = 2910229712. Its totient is φ = 1455114852.

The previous prime is 2182672259. The next prime is 2182672321. The reversal of 2182672281 is 1822762812.

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 not a de Polignac number, because 2182672281 - 2¹¹ = 2182670233 is a prime.

It is a super-2 number, since 2×2182672281² = 9528116572491485922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2182672231) 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, 363778711 + ... + 363778716.

It is an arithmetic number, because the mean of its divisors is an integer number (727557428).

Almost surely, 2^2182672281 is an apocalyptic number.

It is an amenable number.

2182672281 is a deficient number, since it is larger than the sum of its proper divisors (727557431).

2182672281 is an equidigital number, since it uses as much as digits as its factorization.

2182672281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727557430.

The product of its digits is 43008, while the sum is 39.

The square root of 2182672281 is about 46719.0783406522. The cubic root of 2182672281 is about 1297.1678543641.

The spelling of 2182672281 in words is "two billion, one hundred eighty-two million, six hundred seventy-two thousand, two hundred eighty-one".