22241220242 has 8 divisors (see below), whose sum is σ = 33362564796. Its totient is φ = 11120365312.

The previous prime is 22241220167. The next prime is 22241220251. The reversal of 22241220242 is 24202214222.

It can be written as a sum of positive squares in 2 ways, for example, as 17697246961 + 4543973281 = 133031^2 + 67409^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 28238 + ... + 212790.

Almost surely, 2^22241220242 is an apocalyptic number.

22241220242 is a deficient number, since it is larger than the sum of its proper divisors (11121344554).

22241220242 is a wasteful number, since it uses less digits than its factorization.

22241220242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244812.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22241220242 its reverse (24202214222), we get a palindrome (46443434464).

The spelling of 22241220242 in words is "twenty-two billion, two hundred forty-one million, two hundred twenty thousand, two hundred forty-two".