2220256672 has 24 divisors (see below), whose sum is σ = 4405556736. Its totient is φ = 1101385152.

The previous prime is 2220256651. The next prime is 2220256739. The reversal of 2220256672 is 2766520222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269098 + ... + 277225.

It is an arithmetic number, because the mean of its divisors is an integer number (183564864).

Almost surely, 2^2220256672 is an apocalyptic number.

It is an amenable number.

2220256672 is a deficient number, since it is larger than the sum of its proper divisors (2185300064).

2220256672 is a wasteful number, since it uses less digits than its factorization.

2220256672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546460 (or 546452 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 2220256672 is about 47119.5996587407. The cubic root of 2220256672 is about 1304.5710234509.

Adding to 2220256672 its reverse (2766520222), we get a palindrome (4986776894).

The spelling of 2220256672 in words is "two billion, two hundred twenty million, two hundred fifty-six thousand, six hundred seventy-two".