6922081 has 2 divisors, whose sum is σ = 6922082. Its totient is φ = 6922080.

The previous prime is 6922051. The next prime is 6922087. The reversal of 6922081 is 1802296.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6677056 + 245025 = 2584^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 6922081 - 2¹³ = 6913889 is a prime.

It is a super-2 number, since 2×6922081² = 95830410741122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6922087) 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, 3461040 + 3461041.

It is an arithmetic number, because the mean of its divisors is an integer number (3461041).

Almost surely, 2^6922081 is an apocalyptic number.

It is an amenable number.

6922081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6922081 is an equidigital number, since it uses as much as digits as its factorization.

6922081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 6922081 is about 2630.9847966113. The cubic root of 6922081 is about 190.5806888316.

The spelling of 6922081 in words is "six million, nine hundred twenty-two thousand, eighty-one".