2271679 has 2 divisors, whose sum is σ = 2271680. Its totient is φ = 2271678.

The previous prime is 2271673. The next prime is 2271683. The reversal of 2271679 is 9761722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2271679 - 2⁷ = 2271551 is a prime.

It is equal to p₁₆₇₅₉₆ and since 2271679 and 167596 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2271673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135839 + 1135840.

It is an arithmetic number, because the mean of its divisors is an integer number (1135840).

2^2271679 is an apocalyptic number.

2271679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271679 is an equidigital number, since it uses as much as digits as its factorization.

2271679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 34.

The square root of 2271679 is about 1507.2090100580. The cubic root of 2271679 is about 131.4565774889.

The spelling of 2271679 in words is "two million, two hundred seventy-one thousand, six hundred seventy-nine".