6423229 has 8 divisors (see below), whose sum is σ = 6930360. Its totient is φ = 5930496.

The previous prime is 6423227. The next prime is 6423247. The reversal of 6423229 is 9223246.

It can be written as a sum of positive squares in 4 ways, for example, as 2805625 + 3617604 = 1675^2 + 1902^2 .

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 6423229 - 2¹ = 6423227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6423197 and 6423206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6423227) 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, 2664 + ... + 4465.

It is an arithmetic number, because the mean of its divisors is an integer number (866295).

Almost surely, 2^6423229 is an apocalyptic number.

It is an amenable number.

6423229 is a deficient number, since it is larger than the sum of its proper divisors (507131).

6423229 is a wasteful number, since it uses less digits than its factorization.

6423229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7199.

The product of its digits is 5184, while the sum is 28.

The square root of 6423229 is about 2534.4090040875. The cubic root of 6423229 is about 185.8879060210.

It can be divided in two parts, 64232 and 29, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 6423229 in words is "six million, four hundred twenty-three thousand, two hundred twenty-nine".