2281667 has 2 divisors, whose sum is σ = 2281668. Its totient is φ = 2281666.

The previous prime is 2281663. The next prime is 2281673. The reversal of 2281667 is 7661822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2281667 - 2² = 2281663 is a prime.

It is not a weakly prime, because it can be changed into another prime (2281661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140833 + 1140834.

It is an arithmetic number, because the mean of its divisors is an integer number (1140834).

2^2281667 is an apocalyptic number.

2281667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281667 is an equidigital number, since it uses as much as digits as its factorization.

2281667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 2281667 is about 1510.5187850537. The cubic root of 2281667 is about 131.6489562962.

The spelling of 2281667 in words is "two million, two hundred eighty-one thousand, six hundred sixty-seven".