6670229 has 4 divisors (see below), whose sum is σ = 6761676. Its totient is φ = 6578784.

The previous prime is 6670211. The next prime is 6670231. The reversal of 6670229 is 9220766.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5650129 + 1020100 = 2377^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 6670229 - 2⁸ = 6669973 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6670195 and 6670204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6670259) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 45614 + ... + 45759.

It is an arithmetic number, because the mean of its divisors is an integer number (1690419).

Almost surely, 2^6670229 is an apocalyptic number.

It is an amenable number.

6670229 is a deficient number, since it is larger than the sum of its proper divisors (91447).

6670229 is an equidigital number, since it uses as much as digits as its factorization.

6670229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91446.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 6670229 is about 2582.6786482255. The cubic root of 6670229 is about 188.2407226471.

The spelling of 6670229 in words is "six million, six hundred seventy thousand, two hundred twenty-nine".