22212324240042 has 32 divisors (see below), whose sum is σ = 44531050443264. Its totient is φ = 7386381662400.

The previous prime is 22212324239999. The next prime is 22212324240103. The reversal of 22212324240042 is 24004242321222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22212324239991 and 22212324240009.

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, 11397492 + ... + 13203312.

It is an arithmetic number, because the mean of its divisors is an integer number (1391595326352).

Almost surely, 2^{22212324240042} is an apocalyptic number.

22212324240042 is an abundant number, since it is smaller than the sum of its proper divisors (22318726203222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22212324240042 is a wasteful number, since it uses less digits than its factorization.

22212324240042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810734.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 22212324240042 its reverse (24004242321222), we get a palindrome (46216566561264).

The spelling of 22212324240042 in words is "twenty-two trillion, two hundred twelve billion, three hundred twenty-four million, two hundred forty thousand, forty-two".