670642622 has 32 divisors (see below), whose sum is σ = 1148968800. Its totient is φ = 290838528.

The previous prime is 670642607. The next prime is 670642627. The reversal of 670642622 is 226246076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670642627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449654 + ... + 451142.

It is an arithmetic number, because the mean of its divisors is an integer number (35905275).

Almost surely, 2^670642622 is an apocalyptic number.

670642622 is a deficient number, since it is larger than the sum of its proper divisors (478326178).

670642622 is a wasteful number, since it uses less digits than its factorization.

670642622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 670642622 is about 25896.7685628922. The cubic root of 670642622 is about 875.3136821457.

Adding to 670642622 its reverse (226246076), we get a palindrome (896888698).

The spelling of 670642622 in words is "six hundred seventy million, six hundred forty-two thousand, six hundred twenty-two".