22424444242 has 16 divisors (see below), whose sum is σ = 34809762240. Its totient is φ = 10821483792.

The previous prime is 22424444209. The next prime is 22424444249. The reversal of 22424444242 is 24244442422.

It is a junction number, because it is equal to n+sod(n) for n = 22424444198 and 22424444207.

It is not an unprimeable number, because it can be changed into a prime (22424444249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83563 + ... + 227665.

It is an arithmetic number, because the mean of its divisors is an integer number (2175610140).

Almost surely, 2^22424444242 is an apocalyptic number.

22424444242 is a deficient number, since it is larger than the sum of its proper divisors (12385317998).

22424444242 is a wasteful number, since it uses less digits than its factorization.

22424444242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146817.

The product of its digits is 131072, while the sum is 34.

Adding to 22424444242 its reverse (24244442422), we get a palindrome (46668886664).

It can be divided in two parts, 2 and 2424444242, that multiplied together give a palindrome (4848888484).

The spelling of 22424444242 in words is "twenty-two billion, four hundred twenty-four million, four hundred forty-four thousand, two hundred forty-two".