2223566464 has 64 divisors (see below), whose sum is σ = 5180408640. Its totient is φ = 930779136.

The previous prime is 2223566353. The next prime is 2223566491. The reversal of 2223566464 is 4646653222.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9672 + ... + 67384.

It is an arithmetic number, because the mean of its divisors is an integer number (80943885).

Almost surely, 2^2223566464 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 2223566464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2590204320).

2223566464 is an abundant number, since it is smaller than the sum of its proper divisors (2956842176).

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

2223566464 is an equidigital number, since it uses as much as digits as its factorization.

2223566464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57777 (or 57765 counting only the distinct ones).

The product of its digits is 414720, while the sum is 40.

The square root of 2223566464 is about 47154.7077607316. The cubic root of 2223566464 is about 1305.2189537835.

The spelling of 2223566464 in words is "two billion, two hundred twenty-three million, five hundred sixty-six thousand, four hundred sixty-four".