906422243 has 2 divisors, whose sum is σ = 906422244. Its totient is φ = 906422242.

The previous prime is 906422183. The next prime is 906422261. The reversal of 906422243 is 342224609.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 906422243 - 2¹⁴ = 906405859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (906422273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453211121 + 453211122.

It is an arithmetic number, because the mean of its divisors is an integer number (453211122).

Almost surely, 2^906422243 is an apocalyptic number.

906422243 is a deficient number, since it is larger than the sum of its proper divisors (1).

906422243 is an equidigital number, since it uses as much as digits as its factorization.

906422243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 906422243 is about 30106.8471115791. The cubic root of 906422243 is about 967.7804649082.

The spelling of 906422243 in words is "nine hundred six million, four hundred twenty-two thousand, two hundred forty-three".