6445229 has 8 divisors (see below), whose sum is σ = 7408128. Its totient is φ = 5492880.

The previous prime is 6445223. The next prime is 6445247. The reversal of 6445229 is 9225446.

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 6445229 - 2⁴ = 6445213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6445195 and 6445204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277 + ... + 3810.

It is an arithmetic number, because the mean of its divisors is an integer number (926016).

Almost surely, 2^6445229 is an apocalyptic number.

It is an amenable number.

6445229 is a deficient number, since it is larger than the sum of its proper divisors (962899).

6445229 is a wasteful number, since it uses less digits than its factorization.

6445229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275.

The product of its digits is 17280, while the sum is 32.

The square root of 6445229 is about 2538.7455563723. The cubic root of 6445229 is about 186.0998904615.

The spelling of 6445229 in words is "six million, four hundred forty-five thousand, two hundred twenty-nine".