1422241 has 2 divisors, whose sum is σ = 1422242. Its totient is φ = 1422240.

The previous prime is 1422229. The next prime is 1422257.

1422241 is nontrivially palindromic in base 10.

It is an a-pointer prime, because the next prime (1422257) can be obtained adding 1422241 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1380625 + 41616 = 1175^2 + 204^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1422241 - 2¹⁵ = 1389473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711120 + 711121.

It is an arithmetic number, because the mean of its divisors is an integer number (711121).

2^1422241 is an apocalyptic number.

It is an amenable number.

1422241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422241 is an equidigital number, since it uses as much as digits as its factorization.

1422241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128, while the sum is 16.

The square root of 1422241 is about 1192.5774607966. The cubic root of 1422241 is about 112.4581836357.

The spelling of 1422241 in words is "one million, four hundred twenty-two thousand, two hundred forty-one".