906665422 has 8 divisors (see below), whose sum is σ = 1464613416. Its totient is φ = 418460952.

The previous prime is 906665413. The next prime is 906665429. The reversal of 906665422 is 224566609.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906665429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17435848 + ... + 17435899.

It is an arithmetic number, because the mean of its divisors is an integer number (183076677).

Almost surely, 2^906665422 is an apocalyptic number.

906665422 is a deficient number, since it is larger than the sum of its proper divisors (557947994).

906665422 is a wasteful number, since it uses less digits than its factorization.

906665422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34871762.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 906665422 is about 30110.8854403188. The cubic root of 906665422 is about 967.8670039887.

The spelling of 906665422 in words is "nine hundred six million, six hundred sixty-five thousand, four hundred twenty-two".