6670562221 has 8 divisors (see below), whose sum is σ = 7128959040. Its totient is φ = 6219499968.

The previous prime is 6670562209. The next prime is 6670562231. The reversal of 6670562221 is 1222650766.

6670562221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6670562221 - 2¹¹ = 6670560173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6670562231) 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, 1831761 + ... + 1835398.

It is an arithmetic number, because the mean of its divisors is an integer number (891119880).

Almost surely, 2^6670562221 is an apocalyptic number.

It is an amenable number.

6670562221 is a deficient number, since it is larger than the sum of its proper divisors (458396819).

6670562221 is a wasteful number, since it uses less digits than its factorization.

6670562221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667283.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 6670562221 is about 81673.5099098845. The cubic root of 6670562221 is about 1882.4385720805.

The spelling of 6670562221 in words is "six billion, six hundred seventy million, five hundred sixty-two thousand, two hundred twenty-one".