1222142432338 has 32 divisors (see below), whose sum is σ = 1963386190080. Its totient is φ = 568511116800.

The previous prime is 1222142432327. The next prime is 1222142432429. The reversal of 1222142432338 is 8332342412221.

It is a junction number, because it is equal to n+sod(n) for n = 1222142432297 and 1222142432306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11637163 + ... + 11741713.

It is an arithmetic number, because the mean of its divisors is an integer number (61355818440).

Almost surely, 2^{1222142432338} is an apocalyptic number.

1222142432338 is a deficient number, since it is larger than the sum of its proper divisors (741243757742).

1222142432338 is a wasteful number, since it uses less digits than its factorization.

1222142432338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108522.

The product of its digits is 110592, while the sum is 37.

Adding to 1222142432338 its reverse (8332342412221), we get a palindrome (9554484844559).

It can be divided in two parts, 122214 and 2432338, that added together give a palindrome (2554552).

The spelling of 1222142432338 in words is "one trillion, two hundred twenty-two billion, one hundred forty-two million, four hundred thirty-two thousand, three hundred thirty-eight".