22344444442 has 8 divisors (see below), whose sum is σ = 33920482176. Its totient is φ = 11037617052.

The previous prime is 22344444431. The next prime is 22344444443. The reversal of 22344444442 is 24444444322.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (22344444443) by changing a digit.

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, 67302378 + ... + 67302709.

It is an arithmetic number, because the mean of its divisors is an integer number (4240060272).

Almost surely, 2^22344444442 is an apocalyptic number.

22344444442 is a deficient number, since it is larger than the sum of its proper divisors (11576037734).

22344444442 is a wasteful number, since it uses less digits than its factorization.

22344444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134605172.

The product of its digits is 393216, while the sum is 37.

Adding to 22344444442 its reverse (24444444322), we get a palindrome (46788888764).

The spelling of 22344444442 in words is "twenty-two billion, three hundred forty-four million, four hundred forty-four thousand, four hundred forty-two".