303422666 has 12 divisors (see below), whose sum is σ = 480350322. Its totient is φ = 143726184.

The previous prime is 303422633. The next prime is 303422671. The reversal of 303422666 is 666224303.

It can be written as a sum of positive squares in only one way, i.e., 255328441 + 48094225 = 15979^2 + 6935^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209405 + ... + 210848.

Almost surely, 2^303422666 is an apocalyptic number.

303422666 is a deficient number, since it is larger than the sum of its proper divisors (176927656).

303422666 is a wasteful number, since it uses less digits than its factorization.

303422666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420293 (or 420274 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 303422666 is about 17419.0317182098. The cubic root of 303422666 is about 671.9691575154.

Adding to 303422666 its reverse (666224303), we get a palindrome (969646969).

The spelling of 303422666 in words is "three hundred three million, four hundred twenty-two thousand, six hundred sixty-six".