1222122593 has 2 divisors, whose sum is σ = 1222122594. Its totient is φ = 1222122592.

The previous prime is 1222122589. The next prime is 1222122599. The reversal of 1222122593 is 3952212221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1035745489 + 186377104 = 32183^2 + 13652^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222122593 - 2² = 1222122589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1222122599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611061296 + 611061297.

It is an arithmetic number, because the mean of its divisors is an integer number (611061297).

Almost surely, 2^1222122593 is an apocalyptic number.

It is an amenable number.

1222122593 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222122593 is an equidigital number, since it uses as much as digits as its factorization.

1222122593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 1222122593 is about 34958.8700189237. The cubic root of 1222122593 is about 1069.1490579228.

The spelling of 1222122593 in words is "one billion, two hundred twenty-two million, one hundred twenty-two thousand, five hundred ninety-three".