664014622 has 16 divisors (see below), whose sum is σ = 1064096640. Its totient is φ = 309837528.

The previous prime is 664014601. The next prime is 664014629. The reversal of 664014622 is 226410466.

664014622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664014629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127858 + ... + 132949.

It is an arithmetic number, because the mean of its divisors is an integer number (66506040).

Almost surely, 2^664014622 is an apocalyptic number.

664014622 is a deficient number, since it is larger than the sum of its proper divisors (400082018).

664014622 is a wasteful number, since it uses less digits than its factorization.

664014622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260895.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 664014622 is about 25768.4811737130. The cubic root of 664014622 is about 872.4205380790.

The spelling of 664014622 in words is "six hundred sixty-four million, fourteen thousand, six hundred twenty-two".