1422437 has 2 divisors, whose sum is σ = 1422438. Its totient is φ = 1422436.

The previous prime is 1422433. The next prime is 1422439. The reversal of 1422437 is 7342241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 972196 + 450241 = 986^2 + 671^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422437 - 2² = 1422433 is a prime.

Together with 1422439, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422433) 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, 711218 + 711219.

It is an arithmetic number, because the mean of its divisors is an integer number (711219).

2^1422437 is an apocalyptic number.

It is an amenable number.

1422437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422437 is an equidigital number, since it uses as much as digits as its factorization.

1422437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 23.

The square root of 1422437 is about 1192.6596329213. The cubic root of 1422437 is about 112.4633493780.

Adding to 1422437 its reverse (7342241), we get a palindrome (8764678).

The spelling of 1422437 in words is "one million, four hundred twenty-two thousand, four hundred thirty-seven".