341522221 has 2 divisors, whose sum is σ = 341522222. Its totient is φ = 341522220.

The previous prime is 341522219. The next prime is 341522243. The reversal of 341522221 is 122225143.

It is a happy number.

It is an a-pointer prime, because the next prime (341522243) can be obtained adding 341522221 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316662025 + 24860196 = 17795^2 + 4986^2 .

It is a cyclic number.

It is not a de Polignac number, because 341522221 - 2¹ = 341522219 is a prime.

Together with 341522219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 341522192 and 341522201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341522021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170761110 + 170761111.

It is an arithmetic number, because the mean of its divisors is an integer number (170761111).

Almost surely, 2^341522221 is an apocalyptic number.

It is an amenable number.

341522221 is a deficient number, since it is larger than the sum of its proper divisors (1).

341522221 is an equidigital number, since it uses as much as digits as its factorization.

341522221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 22.

The square root of 341522221 is about 18480.3198294835. The cubic root of 341522221 is about 698.9932609667.

Adding to 341522221 its reverse (122225143), we get a palindrome (463747364).

The spelling of 341522221 in words is "three hundred forty-one million, five hundred twenty-two thousand, two hundred twenty-one".