1222013423 has 2 divisors, whose sum is σ = 1222013424. Its totient is φ = 1222013422.

The previous prime is 1222013417. The next prime is 1222013449. The reversal of 1222013423 is 3243102221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222013423 - 2⁴ = 1222013407 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222013395 and 1222013404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222013473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611006711 + 611006712.

It is an arithmetic number, because the mean of its divisors is an integer number (611006712).

Almost surely, 2^1222013423 is an apocalyptic number.

1222013423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222013423 is an equidigital number, since it uses as much as digits as its factorization.

1222013423 is an evil number, because the sum of its binary digits is even.

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

The square root of 1222013423 is about 34957.3085777495. The cubic root of 1222013423 is about 1069.1172219245.

Adding to 1222013423 its reverse (3243102221), we get a palindrome (4465115644).

The spelling of 1222013423 in words is "one billion, two hundred twenty-two million, thirteen thousand, four hundred twenty-three".