906222609 has 12 divisors (see below), whose sum is σ = 1365901056. Its totient is φ = 577880952.

The previous prime is 906222607. The next prime is 906222641.

906222609 is a `hidden beast` number, since 9 + 0 + 622 + 26 + 0 + 9 = 666.

906222609 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 906222609 - 2¹ = 906222607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (906222607) 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 in 11 ways as a sum of consecutive naturals, for example, 2188737 + ... + 2189150.

It is an arithmetic number, because the mean of its divisors is an integer number (113825088).

Almost surely, 2^906222609 is an apocalyptic number.

It is an amenable number.

906222609 is a deficient number, since it is larger than the sum of its proper divisors (459678447).

906222609 is a wasteful number, since it uses less digits than its factorization.

906222609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377916 (or 4377913 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 906222609 is about 30103.5315037954. The cubic root of 906222609 is about 967.7094104328.

The spelling of 906222609 in words is "nine hundred six million, two hundred twenty-two thousand, six hundred nine".