6465224 has 8 divisors (see below), whose sum is σ = 12122310. Its totient is φ = 3232608.

The previous prime is 6465223. The next prime is 6465229. The reversal of 6465224 is 4225646.

It can be written as a sum of positive squares in only one way, i.e., 5428900 + 1036324 = 2330^2 + 1018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6465223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404069 + ... + 404084.

Almost surely, 2^6465224 is an apocalyptic number.

It is an amenable number.

6465224 is a deficient number, since it is larger than the sum of its proper divisors (5657086).

6465224 is a wasteful number, since it uses less digits than its factorization.

6465224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808159 (or 808155 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 6465224 is about 2542.6804754039. The cubic root of 6465224 is about 186.2921373664.

The spelling of 6465224 in words is "six million, four hundred sixty-five thousand, two hundred twenty-four".