64222504 has 8 divisors (see below), whose sum is σ = 120417210. Its totient is φ = 32111248.

The previous prime is 64222471. The next prime is 64222507. The reversal of 64222504 is 40522246.

It can be written as a sum of positive squares in only one way, i.e., 55800900 + 8421604 = 7470^2 + 2902^2 .

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 (64222507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4013899 + ... + 4013914.

Almost surely, 2^64222504 is an apocalyptic number.

It is an amenable number.

64222504 is a deficient number, since it is larger than the sum of its proper divisors (56194706).

64222504 is a wasteful number, since it uses less digits than its factorization.

64222504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027819 (or 8027815 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 64222504 is about 8013.8944340439. The cubic root of 64222504 is about 400.4630138387.

The spelling of 64222504 in words is "sixty-four million, two hundred twenty-two thousand, five hundred four".