222161125662341 has 2 divisors, whose sum is σ = 222161125662342. Its totient is φ = 222161125662340.

The previous prime is 222161125662331. The next prime is 222161125662361. The reversal of 222161125662341 is 143266521161222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205889381531716 + 16271744130625 = 14348846^2 + 4033825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222161125662341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222161125662292 and 222161125662301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222161125662331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111080562831170 + 111080562831171.

It is an arithmetic number, because the mean of its divisors is an integer number (111080562831171).

Almost surely, 2^{222161125662341} is an apocalyptic number.

It is an amenable number.

222161125662341 is a deficient number, since it is larger than the sum of its proper divisors (1).

222161125662341 is an equidigital number, since it uses as much as digits as its factorization.

222161125662341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 44.

The spelling of 222161125662341 in words is "two hundred twenty-two trillion, one hundred sixty-one billion, one hundred twenty-five million, six hundred sixty-two thousand, three hundred forty-one".