12442215422 has 16 divisors (see below), whose sum is σ = 22970244192. Its totient is φ = 4922195040.

The previous prime is 12442215371. The next prime is 12442215433. The reversal of 12442215422 is 22451224421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34181729 + ... + 34182092.

It is an arithmetic number, because the mean of its divisors is an integer number (1435640262).

Almost surely, 2^12442215422 is an apocalyptic number.

12442215422 is a deficient number, since it is larger than the sum of its proper divisors (10528028770).

12442215422 is a wasteful number, since it uses less digits than its factorization.

12442215422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68363843.

The product of its digits is 10240, while the sum is 29.

Adding to 12442215422 its reverse (22451224421), we get a palindrome (34893439843).

The spelling of 12442215422 in words is "twelve billion, four hundred forty-two million, two hundred fifteen thousand, four hundred twenty-two".