422666604 has 18 divisors (see below), whose sum is σ = 1068407340. Its totient is φ = 140888856.

The previous prime is 422666593. The next prime is 422666611. The reversal of 422666604 is 406666224.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 11740739 = 422666604 / (4 + 2 + 2 + 6 + 6 + 6 + 6 + 0 + 4).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 5870334 + ... + 5870405.

Almost surely, 2^422666604 is an apocalyptic number.

It is an amenable number.

422666604 is an abundant number, since it is smaller than the sum of its proper divisors (645740736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422666604 is a wasteful number, since it uses less digits than its factorization.

422666604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11740749 (or 11740744 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 422666604 is about 20558.8570693996. The cubic root of 422666604 is about 750.4688055674.

The spelling of 422666604 in words is "four hundred twenty-two million, six hundred sixty-six thousand, six hundred four".