22120025242 has 16 divisors (see below), whose sum is σ = 37922427072. Its totient is φ = 9479414880.

The previous prime is 22120025227. The next prime is 22120025309. The reversal of 22120025242 is 24252002122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238758 + ... + 318190.

It is an arithmetic number, because the mean of its divisors is an integer number (2370151692).

Almost surely, 2^22120025242 is an apocalyptic number.

22120025242 is a deficient number, since it is larger than the sum of its proper divisors (15802401830).

22120025242 is a wasteful number, since it uses less digits than its factorization.

22120025242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99333.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 22120025242 its reverse (24252002122), we get a palindrome (46372027364).

The spelling of 22120025242 in words is "twenty-two billion, one hundred twenty million, twenty-five thousand, two hundred forty-two".