220231226944 has 21 divisors (see below), whose sum is σ = 437028791041. Its totient is φ = 110113736320.

The previous prime is 220231226939. The next prime is 220231226953. The reversal of 220231226944 is 449622132022.

The square root of 220231226944 is 469288.

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

It can be written as a sum of positive squares in only one way, i.e., 17659220544 + 202572006400 = 132888^2 + 450080^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3724974 + ... + 3783634.

Almost surely, 2^220231226944 is an apocalyptic number.

220231226944 is the 469288-th square number.

It is an amenable number.

220231226944 is a deficient number, since it is larger than the sum of its proper divisors (216797564097).

220231226944 is an frugal number, since it uses more digits than its factorization.

220231226944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117334 (or 58663 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 220231226944 its reverse (449622132022), we get a palindrome (669853358966).

The spelling of 220231226944 in words is "two hundred twenty billion, two hundred thirty-one million, two hundred twenty-six thousand, nine hundred forty-four".