220215271441 has 27 divisors (see below), whose sum is σ = 248989584753. Its totient is φ = 194616069120.

The previous prime is 220215271439. The next prime is 220215271457. The reversal of 220215271441 is 144172512022.

The square root of 220215271441 is 469271.

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

It can be written as a sum of positive squares in 4 ways, for example, as 105578855041 + 114636416400 = 324929^2 + 338580^2 .

It is not a de Polignac number, because 220215271441 - 2¹ = 220215271439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220215271481) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 190992721 + ... + 190993873.

Almost surely, 2^220215271441 is an apocalyptic number.

220215271441 is the 469271-st square number.

220215271441 is the 234636-th centered octagonal number.

It is an amenable number.

220215271441 is a deficient number, since it is larger than the sum of its proper divisors (28774313312).

220215271441 is an frugal number, since it uses more digits than its factorization.

220215271441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

Adding to 220215271441 its reverse (144172512022), we get a palindrome (364387783463).

The spelling of 220215271441 in words is "two hundred twenty billion, two hundred fifteen million, two hundred seventy-one thousand, four hundred forty-one".