1422043397 has 2 divisors, whose sum is σ = 1422043398. Its totient is φ = 1422043396.

The previous prime is 1422043393. The next prime is 1422043433. The reversal of 1422043397 is 7933402241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 845995396 + 576048001 = 29086^2 + 24001^2 .

It is an emirp because it is prime and its reverse (7933402241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1422043397 - 2² = 1422043393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422043393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711021698 + 711021699.

It is an arithmetic number, because the mean of its divisors is an integer number (711021699).

Almost surely, 2^1422043397 is an apocalyptic number.

It is an amenable number.

1422043397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422043397 is an equidigital number, since it uses as much as digits as its factorization.

1422043397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1422043397 is about 37709.9906788639. The cubic root of 1422043397 is about 1124.5297516453.

The spelling of 1422043397 in words is "one billion, four hundred twenty-two million, forty-three thousand, three hundred ninety-seven".