220924440676 has 9 divisors (see below), whose sum is σ = 386619416281. Its totient is φ = 110461750312.

The previous prime is 220924440647. The next prime is 220924440677. The reversal of 220924440676 is 676044429022.

It is a happy number.

The square root of 220924440676 is 470026.

It is a perfect power (a square), and thus also a powerful number.

220924440676 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 78360804900 + 142563635776 = 279930^2 + 377576^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220924440677) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 822546 + ... + 1057558.

Almost surely, 2^220924440676 is an apocalyptic number.

220924440676 is the 470026-th square number.

It is an amenable number.

220924440676 is a deficient number, since it is larger than the sum of its proper divisors (165694975605).

220924440676 is an frugal number, since it uses more digits than its factorization.

220924440676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470030 (or 235015 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 46.

Adding to 220924440676 its reverse (676044429022), we get a palindrome (896968869698).

The spelling of 220924440676 in words is "two hundred twenty billion, nine hundred twenty-four million, four hundred forty thousand, six hundred seventy-six".