22202244204442 has 8 divisors (see below), whose sum is σ = 33303422733300. Its totient is φ = 11101103293344.

The previous prime is 22202244204433. The next prime is 22202244204463. The reversal of 22202244204442 is 24440244220222.

It can be written as a sum of positive squares in 2 ways, for example, as 21257364946041 + 944879258401 = 4610571^2 + 972049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22202244204398 and 22202244204407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7879467 + ... + 10319422.

Almost surely, 2^{22202244204442} is an apocalyptic number.

22202244204442 is a deficient number, since it is larger than the sum of its proper divisors (11101178528858).

22202244204442 is a wasteful number, since it uses less digits than its factorization.

22202244204442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18808880.

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

Adding to 22202244204442 its reverse (24440244220222), we get a palindrome (46642488424664).

The spelling of 22202244204442 in words is "twenty-two trillion, two hundred two billion, two hundred forty-four million, two hundred four thousand, four hundred forty-two".