22222223344 has 20 divisors (see below), whose sum is σ = 43060069624. Its totient is φ = 11109947328.

The previous prime is 22222223333. The next prime is 22222223351. The reversal of 22222223344 is 44332222222.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

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, 96634 + ... + 231910.

Almost surely, 2^22222223344 is an apocalyptic number.

It is an amenable number.

22222223344 is a deficient number, since it is larger than the sum of its proper divisors (20837846280).

22222223344 is a wasteful number, since it uses less digits than its factorization.

22222223344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145552 (or 145546 counting only the distinct ones).

The product of its digits is 18432, while the sum is 28.

Adding to 22222223344 its reverse (44332222222), we get a palindrome (66554445566).

The spelling of 22222223344 in words is "twenty-two billion, two hundred twenty-two million, two hundred twenty-three thousand, three hundred forty-four".