64604224 has 28 divisors (see below), whose sum is σ = 128487424. Its totient is φ = 32229504.

The previous prime is 64604213. The next prime is 64604227. The reversal of 64604224 is 42240646.

It is a junction number, because it is equal to n+sod(n) for n = 64604192 and 64604201.

It is not an unprimeable number, because it can be changed into a prime (64604227) 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, 38017 + ... + 39679.

Almost surely, 2^64604224 is an apocalyptic number.

64604224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64604224 is a deficient number, since it is larger than the sum of its proper divisors (63883200).

64604224 is a wasteful number, since it uses less digits than its factorization.

64604224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 64604224 is about 8037.6752858025. The cubic root of 64604224 is about 401.2548592043.

The spelling of 64604224 in words is "sixty-four million, six hundred four thousand, two hundred twenty-four".