1422241397 has 2 divisors, whose sum is σ = 1422241398. Its totient is φ = 1422241396.

The previous prime is 1422241351. The next prime is 1422241421. The reversal of 1422241397 is 7931422241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1402802116 + 19439281 = 37454^2 + 4409^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422241397 - 2¹⁶ = 1422175861 is a prime.

It is a super-3 number, since 3×1422241397³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422247397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711120698 + 711120699.

It is an arithmetic number, because the mean of its divisors is an integer number (711120699).

Almost surely, 2^1422241397 is an apocalyptic number.

It is an amenable number.

1422241397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422241397 is an equidigital number, since it uses as much as digits as its factorization.

1422241397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 1422241397 is about 37712.6158864643. The cubic root of 1422241397 is about 1124.5819409944.

The spelling of 1422241397 in words is "one billion, four hundred twenty-two million, two hundred forty-one thousand, three hundred ninety-seven".