2281685667 has 8 divisors (see below), whose sum is σ = 3043202640. Its totient is φ = 1520646240.

The previous prime is 2281685633. The next prime is 2281685671. The reversal of 2281685667 is 7665861822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2281685667 - 2¹⁵ = 2281652899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2281689667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108084 + ... + 127457.

It is an arithmetic number, because the mean of its divisors is an integer number (380400330).

Almost surely, 2^2281685667 is an apocalyptic number.

2281685667 is a deficient number, since it is larger than the sum of its proper divisors (761516973).

2281685667 is a wasteful number, since it uses less digits than its factorization.

2281685667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238773.

The product of its digits is 1935360, while the sum is 51.

The square root of 2281685667 is about 47766.9934892285. The cubic root of 2281685667 is about 1316.4931531502.

The spelling of 2281685667 in words is "two billion, two hundred eighty-one million, six hundred eighty-five thousand, six hundred sixty-seven".