1422421231237 has 2 divisors, whose sum is σ = 1422421231238. Its totient is φ = 1422421231236.

The previous prime is 1422421231229. The next prime is 1422421231367. The reversal of 1422421231237 is 7321321242241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 908954398881 + 513466832356 = 953391^2 + 716566^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422421231237 - 2³ = 1422421231229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422421231537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711210615618 + 711210615619.

It is an arithmetic number, because the mean of its divisors is an integer number (711210615619).

Almost surely, 2^{1422421231237} is an apocalyptic number.

It is an amenable number.

1422421231237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422421231237 is an equidigital number, since it uses as much as digits as its factorization.

1422421231237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

Adding to 1422421231237 its reverse (7321321242241), we get a palindrome (8743742473478).

The spelling of 1422421231237 in words is "one trillion, four hundred twenty-two billion, four hundred twenty-one million, two hundred thirty-one thousand, two hundred thirty-seven".