412221841 has 2 divisors, whose sum is σ = 412221842. Its totient is φ = 412221840.

The previous prime is 412221839. The next prime is 412221851. The reversal of 412221841 is 148122214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259081216 + 153140625 = 16096^2 + 12375^2 .

It is a cyclic number.

It is not a de Polignac number, because 412221841 - 2¹ = 412221839 is a prime.

Together with 412221839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (412221851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206110920 + 206110921.

It is an arithmetic number, because the mean of its divisors is an integer number (206110921).

Almost surely, 2^412221841 is an apocalyptic number.

It is an amenable number.

412221841 is a deficient number, since it is larger than the sum of its proper divisors (1).

412221841 is an equidigital number, since it uses as much as digits as its factorization.

412221841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024, while the sum is 25.

The square root of 412221841 is about 20303.2470555820. The cubic root of 412221841 is about 744.2354157563.

The spelling of 412221841 in words is "four hundred twelve million, two hundred twenty-one thousand, eight hundred forty-one".