1222142322422 has 32 divisors (see below), whose sum is σ = 2189842560000. Its totient is φ = 500165965728.

The previous prime is 1222142322367. The next prime is 1222142322431. The reversal of 1222142322422 is 2242232412221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2975297 + ... + 3361052.

It is an arithmetic number, because the mean of its divisors is an integer number (68432580000).

Almost surely, 2^{1222142322422} is an apocalyptic number.

1222142322422 is a deficient number, since it is larger than the sum of its proper divisors (967700237578).

1222142322422 is a wasteful number, since it uses less digits than its factorization.

1222142322422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336980.

The product of its digits is 12288, while the sum is 29.

Adding to 1222142322422 its reverse (2242232412221), we get a palindrome (3464374734643).

The spelling of 1222142322422 in words is "one trillion, two hundred twenty-two billion, one hundred forty-two million, three hundred twenty-two thousand, four hundred twenty-two".