1222660423 has 2 divisors, whose sum is σ = 1222660424. Its totient is φ = 1222660422.

The previous prime is 1222660297. The next prime is 1222660457. The reversal of 1222660423 is 3240662221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222660423 - 2¹³ = 1222652231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222660391 and 1222660400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222660123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611330211 + 611330212.

It is an arithmetic number, because the mean of its divisors is an integer number (611330212).

Almost surely, 2^1222660423 is an apocalyptic number.

1222660423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222660423 is an equidigital number, since it uses as much as digits as its factorization.

1222660423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1222660423 is about 34966.5614980941. The cubic root of 1222660423 is about 1069.3058714619.

The spelling of 1222660423 in words is "one billion, two hundred twenty-two million, six hundred sixty thousand, four hundred twenty-three".