1222022130331 has 4 divisors (see below), whose sum is σ = 1245079151712. Its totient is φ = 1198965108952.

The previous prime is 1222022130317. The next prime is 1222022130383. The reversal of 1222022130331 is 1330312202221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222022130331 is a prime.

It is a super-2 number, since 2×1222022130331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222022130391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11528510611 + ... + 11528510716.

It is an arithmetic number, because the mean of its divisors is an integer number (311269787928).

Almost surely, 2^{1222022130331} is an apocalyptic number.

1222022130331 is a deficient number, since it is larger than the sum of its proper divisors (23057021381).

1222022130331 is an equidigital number, since it uses as much as digits as its factorization.

1222022130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23057021380.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1222022130331 its reverse (1330312202221), we get a palindrome (2552334332552).

The spelling of 1222022130331 in words is "one trillion, two hundred twenty-two billion, twenty-two million, one hundred thirty thousand, three hundred thirty-one".