6822631 has 2 divisors, whose sum is σ = 6822632. Its totient is φ = 6822630.

The previous prime is 6822623. The next prime is 6822659. The reversal of 6822631 is 1362286.

It is an a-pointer prime, because the next prime (6822659) can be obtained adding 6822631 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6822631 - 2³ = 6822623 is a prime.

It is a super-2 number, since 2×6822631² = 93096587524322, which contains 22 as substring.

6822631 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6822631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6822131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3411315 + 3411316.

It is an arithmetic number, because the mean of its divisors is an integer number (3411316).

Almost surely, 2^6822631 is an apocalyptic number.

6822631 is a deficient number, since it is larger than the sum of its proper divisors (1).

6822631 is an equidigital number, since it uses as much as digits as its factorization.

6822631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 6822631 is about 2612.0166538520. The cubic root of 6822631 is about 189.6635875278.

The spelling of 6822631 in words is "six million, eight hundred twenty-two thousand, six hundred thirty-one".