1222130423 has 2 divisors, whose sum is σ = 1222130424. Its totient is φ = 1222130422.

The previous prime is 1222130389. The next prime is 1222130443. The reversal of 1222130423 is 3240312221.

It is an a-pointer prime, because the next prime (1222130443) can be obtained adding 1222130423 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222130423 - 2⁶ = 1222130359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222130395 and 1222130404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222130443) 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, 611065211 + 611065212.

It is an arithmetic number, because the mean of its divisors is an integer number (611065212).

Almost surely, 2^1222130423 is an apocalyptic number.

1222130423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222130423 is an equidigital number, since it uses as much as digits as its factorization.

1222130423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1222130423 is about 34958.9820074899. The cubic root of 1222130423 is about 1069.1513412233.

Adding to 1222130423 its reverse (3240312221), we get a palindrome (4462442644).

The spelling of 1222130423 in words is "one billion, two hundred twenty-two million, one hundred thirty thousand, four hundred twenty-three".