1222223445613 has 2 divisors, whose sum is σ = 1222223445614. Its totient is φ = 1222223445612.

The previous prime is 1222223445601. The next prime is 1222223445679. The reversal of 1222223445613 is 3165443222221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1191158325604 + 31065120009 = 1091402^2 + 176253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222223445613 is a prime.

It is a super-2 number, since 2×1222223445613² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222223845613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611111722806 + 611111722807.

It is an arithmetic number, because the mean of its divisors is an integer number (611111722807).

Almost surely, 2^{1222223445613} is an apocalyptic number.

It is an amenable number.

1222223445613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222223445613 is an equidigital number, since it uses as much as digits as its factorization.

1222223445613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 37.

Adding to 1222223445613 its reverse (3165443222221), we get a palindrome (4387666667834).

The spelling of 1222223445613 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-three million, four hundred forty-five thousand, six hundred thirteen".