22444888938 has 32 divisors (see below), whose sum is σ = 45096393600. Its totient is φ = 7447270656.

The previous prime is 22444888937. The next prime is 22444888969. The reversal of 22444888938 is 83988844422.

It is not an unprimeable number, because it can be changed into a prime (22444888937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216470 + ... + 1234782.

It is an arithmetic number, because the mean of its divisors is an integer number (1409262300).

Almost surely, 2^22444888938 is an apocalyptic number.

22444888938 is an abundant number, since it is smaller than the sum of its proper divisors (22651504662).

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

22444888938 is a wasteful number, since it uses less digits than its factorization.

22444888938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19246.

The product of its digits is 28311552, while the sum is 60.

The spelling of 22444888938 in words is "twenty-two billion, four hundred forty-four million, eight hundred eighty-eight thousand, nine hundred thirty-eight".