22439793421398 has 32 divisors (see below), whose sum is σ = 44917739688960. Its totient is φ = 7473572780960.

The previous prime is 22439793421391. The next prime is 22439793421469. The reversal of 22439793421398 is 89312439793422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22439793421391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370196113 + ... + 370256723.

It is an arithmetic number, because the mean of its divisors is an integer number (1403679365280).

Almost surely, 2^{22439793421398} is an apocalyptic number.

22439793421398 is an abundant number, since it is smaller than the sum of its proper divisors (22477946267562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22439793421398 is a wasteful number, since it uses less digits than its factorization.

22439793421398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112052.

The product of its digits is 141087744, while the sum is 66.

The spelling of 22439793421398 in words is "twenty-two trillion, four hundred thirty-nine billion, seven hundred ninety-three million, four hundred twenty-one thousand, three hundred ninety-eight".