22240222072 has 8 divisors (see below), whose sum is σ = 41700416400. Its totient is φ = 11120111032.

The previous prime is 22240222063. The next prime is 22240222079. The reversal of 22240222072 is 27022204222.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240222079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390013872 + ... + 1390013887.

It is an arithmetic number, because the mean of its divisors is an integer number (5212552050).

Almost surely, 2^22240222072 is an apocalyptic number.

It is an amenable number.

22240222072 is a deficient number, since it is larger than the sum of its proper divisors (19460194328).

22240222072 is a wasteful number, since it uses less digits than its factorization.

22240222072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780027765 (or 2780027761 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 25.

Adding to 22240222072 its reverse (27022204222), we get a palindrome (49262426294).

The spelling of 22240222072 in words is "twenty-two billion, two hundred forty million, two hundred twenty-two thousand, seventy-two".