222002111241 has 9 divisors (see below), whose sum is σ = 320671757991. Its totient is φ = 148000465152.

The previous prime is 222002111171. The next prime is 222002111323. The reversal of 222002111241 is 142111200222.

The square root of 222002111241 is 471171.

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., 71842761225 + 150159350016 = 268035^2 + 387504^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 222002111241 - 2²³ = 221993722633 is a prime.

It is a super-2 number, since 2×222002111241² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222002111941) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1334985 + ... + 1492041.

Almost surely, 2^222002111241 is an apocalyptic number.

222002111241 is the 471171-st square number.

222002111241 is the 235586-th centered octagonal number.

It is an amenable number.

222002111241 is a deficient number, since it is larger than the sum of its proper divisors (98669646750).

222002111241 is an frugal number, since it uses more digits than its factorization.

222002111241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314120 (or 157060 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222002111241 its reverse (142111200222), we get a palindrome (364113311463).

The spelling of 222002111241 in words is "two hundred twenty-two billion, two million, one hundred eleven thousand, two hundred forty-one".