222261156241 has 2 divisors, whose sum is σ = 222261156242. Its totient is φ = 222261156240.

The previous prime is 222261156233. The next prime is 222261156269. The reversal of 222261156241 is 142651162222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120502708225 + 101758448016 = 347135^2 + 318996^2 .

It is a cyclic number.

It is not a de Polignac number, because 222261156241 - 2³ = 222261156233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222261156197 and 222261156206.

It is not a weakly prime, because it can be changed into another prime (222261156281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111130578120 + 111130578121.

It is an arithmetic number, because the mean of its divisors is an integer number (111130578121).

Almost surely, 2^222261156241 is an apocalyptic number.

It is an amenable number.

222261156241 is a deficient number, since it is larger than the sum of its proper divisors (1).

222261156241 is an equidigital number, since it uses as much as digits as its factorization.

222261156241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The spelling of 222261156241 in words is "two hundred twenty-two billion, two hundred sixty-one million, one hundred fifty-six thousand, two hundred forty-one".