64430224 has 10 divisors (see below), whose sum is σ = 124833590. Its totient is φ = 32215104.

The previous prime is 64430207. The next prime is 64430231. The reversal of 64430224 is 42203446.

It can be written as a sum of positive squares in only one way, i.e., 36000000 + 28430224 = 6000^2 + 5332^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2013429 + ... + 2013460.

It is an arithmetic number, because the mean of its divisors is an integer number (12483359).

Almost surely, 2^64430224 is an apocalyptic number.

It is an amenable number.

64430224 is a deficient number, since it is larger than the sum of its proper divisors (60403366).

64430224 is a wasteful number, since it uses less digits than its factorization.

64430224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026897 (or 4026891 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 64430224 is about 8026.8439626045. The cubic root of 64430224 is about 400.8942990828.

The spelling of 64430224 in words is "sixty-four million, four hundred thirty thousand, two hundred twenty-four".