2281666667 has 4 divisors (see below), whose sum is σ = 2607619056. Its totient is φ = 1955714280.

The previous prime is 2281666657. The next prime is 2281666729. The reversal of 2281666667 is 7666661822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7666661822 = 2 ⋅3833330911.

It is a cyclic number.

It is not a de Polignac number, because 2281666667 - 2⁶ = 2281666603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2281666657) 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, 162976184 + ... + 162976197.

It is an arithmetic number, because the mean of its divisors is an integer number (651904764).

Almost surely, 2^2281666667 is an apocalyptic number.

2281666667 is a deficient number, since it is larger than the sum of its proper divisors (325952389).

2281666667 is an equidigital number, since it uses as much as digits as its factorization.

2281666667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325952388.

The product of its digits is 1741824, while the sum is 50.

The square root of 2281666667 is about 47766.7946067140. The cubic root of 2281666667 is about 1316.4894989163.

The spelling of 2281666667 in words is "two billion, two hundred eighty-one million, six hundred sixty-six thousand, six hundred sixty-seven".