64227648 has 84 divisors (see below), whose sum is σ = 175056800. Its totient is φ = 20782080.

The previous prime is 64227623. The next prime is 64227697. The reversal of 64227648 is 84672246.

It is a super-2 number, since 2×64227648² = 8250381535223808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322653 + ... + 322851.

Almost surely, 2^64227648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64227648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87528400).

64227648 is an abundant number, since it is smaller than the sum of its proper divisors (110829152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64227648 is a wasteful number, since it uses less digits than its factorization.

64227648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 245 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 64227648 is about 8014.2153702031. The cubic root of 64227648 is about 400.4737054531.

The spelling of 64227648 in words is "sixty-four million, two hundred twenty-seven thousand, six hundred forty-eight".