2622679 has 2 divisors, whose sum is σ = 2622680. Its totient is φ = 2622678.

The previous prime is 2622637. The next prime is 2622691. The reversal of 2622679 is 9762262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2622679 - 2⁹ = 2622167 is a prime.

2622679 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2622619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311339 + 1311340.

It is an arithmetic number, because the mean of its divisors is an integer number (1311340).

2^2622679 is an apocalyptic number.

2622679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2622679 is an equidigital number, since it uses as much as digits as its factorization.

2622679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 2622679 is about 1619.4687400503. The cubic root of 2622679 is about 137.9055399223.

The spelling of 2622679 in words is "two million, six hundred twenty-two thousand, six hundred seventy-nine".