2281819331 has 12 divisors (see below), whose sum is σ = 2539874400. Its totient is φ = 2048114640.

The previous prime is 2281819321. The next prime is 2281819343. The reversal of 2281819331 is 1339181822.

It is not a de Polignac number, because 2281819331 - 2¹⁰ = 2281818307 is a prime.

It is a super-2 number, since 2×2281819331² = 10413398918650575122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2281819321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109796 + ... + 128913.

It is an arithmetic number, because the mean of its divisors is an integer number (211656200).

Almost surely, 2^2281819331 is an apocalyptic number.

2281819331 is a deficient number, since it is larger than the sum of its proper divisors (258055069).

2281819331 is a wasteful number, since it uses less digits than its factorization.

2281819331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238810 (or 238799 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 2281819331 is about 47768.3925938481. The cubic root of 2281819331 is about 1316.5188599200.

The spelling of 2281819331 in words is "two billion, two hundred eighty-one million, eight hundred nineteen thousand, three hundred thirty-one".