22224422542 has 32 divisors (see below), whose sum is σ = 39461022720. Its totient is φ = 9185053920.

The previous prime is 22224422509. The next prime is 22224422573. The reversal of 22224422542 is 24522442222.

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, 302667 + ... + 368857.

It is an arithmetic number, because the mean of its divisors is an integer number (1233156960).

Almost surely, 2^22224422542 is an apocalyptic number.

22224422542 is a deficient number, since it is larger than the sum of its proper divisors (17236600178).

22224422542 is a wasteful number, since it uses less digits than its factorization.

22224422542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67056.

The product of its digits is 40960, while the sum is 31.

Adding to 22224422542 its reverse (24522442222), we get a palindrome (46746864764).

The spelling of 22224422542 in words is "twenty-two billion, two hundred twenty-four million, four hundred twenty-two thousand, five hundred forty-two".