6464229 has 4 divisors (see below), whose sum is σ = 8618976. Its totient is φ = 4309484.

The previous prime is 6464221. The next prime is 6464261. The reversal of 6464229 is 9224646.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6464229 - 2³ = 6464221 is a prime.

It is a d-powerful number, because it can be written as 6² + 4³ + 6⁸ + 4⁵ + 2³ + 2⁹ + 9⁷ .

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6464229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464221) 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 3 ways as a sum of consecutive naturals, for example, 1077369 + ... + 1077374.

It is an arithmetic number, because the mean of its divisors is an integer number (2154744).

Almost surely, 2^6464229 is an apocalyptic number.

It is an amenable number.

6464229 is a deficient number, since it is larger than the sum of its proper divisors (2154747).

6464229 is a wasteful number, since it uses less digits than its factorization.

6464229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154746.

The product of its digits is 20736, while the sum is 33.

The square root of 6464229 is about 2542.4848082142. The cubic root of 6464229 is about 186.2825800700.

The spelling of 6464229 in words is "six million, four hundred sixty-four thousand, two hundred twenty-nine".