64403224 has 16 divisors (see below), whose sum is σ = 121708800. Its totient is φ = 31947552.

The previous prime is 64403221. The next prime is 64403231. The reversal of 64403224 is 42230446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64403221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30679 + ... + 32710.

It is an arithmetic number, because the mean of its divisors is an integer number (7606800).

Almost surely, 2^64403224 is an apocalyptic number.

It is an amenable number.

64403224 is a deficient number, since it is larger than the sum of its proper divisors (57305576).

64403224 is a wasteful number, since it uses less digits than its factorization.

64403224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63522 (or 63518 counting only the distinct ones).

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

The square root of 64403224 is about 8025.1619298305. The cubic root of 64403224 is about 400.8382919393.

The spelling of 64403224 in words is "sixty-four million, four hundred three thousand, two hundred twenty-four".