1222022443 has 2 divisors, whose sum is σ = 1222022444. Its totient is φ = 1222022442.

The previous prime is 1222022429. The next prime is 1222022471. The reversal of 1222022443 is 3442202221.

It is a weak prime.

It is an emirp because it is prime and its reverse (3442202221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222022443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222022413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611011221 + 611011222.

It is an arithmetic number, because the mean of its divisors is an integer number (611011222).

Almost surely, 2^1222022443 is an apocalyptic number.

1222022443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222022443 is an equidigital number, since it uses as much as digits as its factorization.

1222022443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1222022443 is about 34957.4375920204. The cubic root of 1222022443 is about 1069.1198523958.

Adding to 1222022443 its reverse (3442202221), we get a palindrome (4664224664).

The spelling of 1222022443 in words is "one billion, two hundred twenty-two million, twenty-two thousand, four hundred forty-three".