1222142504441 has 2 divisors, whose sum is σ = 1222142504442. Its totient is φ = 1222142504440.

The previous prime is 1222142504419. The next prime is 1222142504459. The reversal of 1222142504441 is 1444052412221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1165115154025 + 57027350416 = 1079405^2 + 238804^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222142504441 - 2³⁴ = 1204962635257 is a prime.

It is a super-2 number, since 2×1222142504441² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222142504398 and 1222142504407.

It is not a weakly prime, because it can be changed into another prime (1222142504641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611071252220 + 611071252221.

It is an arithmetic number, because the mean of its divisors is an integer number (611071252221).

Almost surely, 2^{1222142504441} is an apocalyptic number.

It is an amenable number.

1222142504441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222142504441 is an equidigital number, since it uses as much as digits as its factorization.

1222142504441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 1222142504441 its reverse (1444052412221), we get a palindrome (2666194916662).

The spelling of 1222142504441 in words is "one trillion, two hundred twenty-two billion, one hundred forty-two million, five hundred four thousand, four hundred forty-one".