1222345112229 has 6 divisors (see below), whose sum is σ = 1765609606566. Its totient is φ = 814896741480.

The previous prime is 1222345112227. The next prime is 1222345112251. The reversal of 1222345112229 is 9222115432221.

It can be written as a sum of positive squares in only one way, i.e., 1024342361604 + 198002750625 = 1012098^2 + 444975^2 .

It is not a de Polignac number, because 1222345112229 - 2¹ = 1222345112227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222345112193 and 1222345112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222345112227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67908061782 + ... + 67908061799.

It is an arithmetic number, because the mean of its divisors is an integer number (294268267761).

Almost surely, 2^{1222345112229} is an apocalyptic number.

It is an amenable number.

1222345112229 is a deficient number, since it is larger than the sum of its proper divisors (543264494337).

1222345112229 is a wasteful number, since it uses less digits than its factorization.

1222345112229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135816123587 (or 135816123584 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 1222345112229 in words is "one trillion, two hundred twenty-two billion, three hundred forty-five million, one hundred twelve thousand, two hundred twenty-nine".