64867228 has 6 divisors (see below), whose sum is σ = 113517656. Its totient is φ = 32433612.

The previous prime is 64867213. The next prime is 64867241. The reversal of 64867228 is 82276846.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8108400 + ... + 8108407.

Almost surely, 2^64867228 is an apocalyptic number.

It is an amenable number.

64867228 is a deficient number, since it is larger than the sum of its proper divisors (48650428).

64867228 is a wasteful number, since it uses less digits than its factorization.

64867228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16216811 (or 16216809 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 64867228 is about 8054.0193692342. The cubic root of 64867228 is about 401.7986252459.

It can be divided in two parts, 648 and 67228, that added together give a palindrome (67876).

The spelling of 64867228 in words is "sixty-four million, eight hundred sixty-seven thousand, two hundred twenty-eight".