64224464 has 40 divisors (see below), whose sum is σ = 130646400. Its totient is φ = 30526848.

The previous prime is 64224463. The next prime is 64224469. The reversal of 64224464 is 46442246.

It is a self number, because there is not a number n which added to its sum of digits gives 64224464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64224463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72794 + ... + 73670.

It is an arithmetic number, because the mean of its divisors is an integer number (3266160).

Almost surely, 2^64224464 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 64224464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65323200).

64224464 is an abundant number, since it is smaller than the sum of its proper divisors (66421936).

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

64224464 is a wasteful number, since it uses less digits than its factorization.

64224464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107 (or 1101 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

The square root of 64224464 is about 8014.0167207213. The cubic root of 64224464 is about 400.4670876937.

The spelling of 64224464 in words is "sixty-four million, two hundred twenty-four thousand, four hundred sixty-four".