6922879 has 2 divisors, whose sum is σ = 6922880. Its totient is φ = 6922878.

The previous prime is 6922847. The next prime is 6922901. The reversal of 6922879 is 9782296.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6922879 - 2⁵ = 6922847 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6922679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3461439 + 3461440.

It is an arithmetic number, because the mean of its divisors is an integer number (3461440).

Almost surely, 2^6922879 is an apocalyptic number.

6922879 is a deficient number, since it is larger than the sum of its proper divisors (1).

6922879 is an equidigital number, since it uses as much as digits as its factorization.

6922879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 6922879 is about 2631.1364464809. The cubic root of 6922879 is about 190.5880121373.

It can be divided in two parts, 692287 and 9, that added together give a palindrome (692296).

The spelling of 6922879 in words is "six million, nine hundred twenty-two thousand, eight hundred seventy-nine".