665874622 has 12 divisors (see below), whose sum is σ = 1161883440. Its totient is φ = 285374796.

The previous prime is 665874619. The next prime is 665874631. The reversal of 665874622 is 226478566.

It is a congruent 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, 3397222 + ... + 3397417.

It is an arithmetic number, because the mean of its divisors is an integer number (96823620).

Almost surely, 2^665874622 is an apocalyptic number.

665874622 is a deficient number, since it is larger than the sum of its proper divisors (496008818).

665874622 is a wasteful number, since it uses less digits than its factorization.

665874622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6794655 (or 6794648 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 665874622 is about 25804.5465373837. The cubic root of 665874622 is about 873.2343702650.

The spelling of 665874622 in words is "six hundred sixty-five million, eight hundred seventy-four thousand, six hundred twenty-two".