22123344398 has 4 divisors (see below), whose sum is σ = 33185016600. Its totient is φ = 11061672198.

The previous prime is 22123344371. The next prime is 22123344407. The reversal of 22123344398 is 89344332122.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 5530836098 + ... + 5530836101.

It is an arithmetic number, because the mean of its divisors is an integer number (8296254150).

Almost surely, 2^22123344398 is an apocalyptic number.

22123344398 is a deficient number, since it is larger than the sum of its proper divisors (11061672202).

22123344398 is a wasteful number, since it uses less digits than its factorization.

22123344398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061672201.

The product of its digits is 248832, while the sum is 41.

The spelling of 22123344398 in words is "twenty-two billion, one hundred twenty-three million, three hundred forty-four thousand, three hundred ninety-eight".