1412221 has 2 divisors, whose sum is σ = 1412222. Its totient is φ = 1412220.

The previous prime is 1412219. The next prime is 1412227. The reversal of 1412221 is 1222141.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1406596 + 5625 = 1186^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 1412221 - 2¹ = 1412219 is a prime.

Together with 1412219, it forms a pair of twin primes.

1412221 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1412227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706110 + 706111.

It is an arithmetic number, because the mean of its divisors is an integer number (706111).

2^1412221 is an apocalyptic number.

It is an amenable number.

1412221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1412221 is an equidigital number, since it uses as much as digits as its factorization.

1412221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32, while the sum is 13.

The square root of 1412221 is about 1188.3690504216. The cubic root of 1412221 is about 112.1934634597.

Adding to 1412221 its reverse (1222141), we get a palindrome (2634362).

The spelling of 1412221 in words is "one million, four hundred twelve thousand, two hundred twenty-one".