22301212444 has 12 divisors (see below), whose sum is σ = 44602424944. Its totient is φ = 9557662464.

The previous prime is 22301212379. The next prime is 22301212447. The reversal of 22301212444 is 44421210322.

22301212444 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22301212447) 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, 398235909 + ... + 398235964.

Almost surely, 2^22301212444 is an apocalyptic number.

It is an amenable number.

22301212444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22301212444 is a wasteful number, since it uses less digits than its factorization.

22301212444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796471884 (or 796471882 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22301212444 its reverse (44421210322), we get a palindrome (66722422766).

The spelling of 22301212444 in words is "twenty-two billion, three hundred one million, two hundred twelve thousand, four hundred forty-four".