2244220064 has 24 divisors (see below), whose sum is σ = 4437786528. Its totient is φ = 1117163200.

The previous prime is 2244220063. The next prime is 2244220067. The reversal of 2244220064 is 4600224422.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2244220063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147212 + ... + 161739.

It is an arithmetic number, because the mean of its divisors is an integer number (184907772).

Almost surely, 2^2244220064 is an apocalyptic number.

It is an amenable number.

2244220064 is a deficient number, since it is larger than the sum of its proper divisors (2193566464).

2244220064 is a wasteful number, since it uses less digits than its factorization.

2244220064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309188 (or 309180 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2244220064 is about 47373.1998497041. The cubic root of 2244220064 is about 1309.2476817811.

Adding to 2244220064 its reverse (4600224422), we get a palindrome (6844444486).

The spelling of 2244220064 in words is "two billion, two hundred forty-four million, two hundred twenty thousand, sixty-four".