22244428242 has 48 divisors (see below), whose sum is σ = 50316327360. Its totient is φ = 7088960736.

The previous prime is 22244428187. The next prime is 22244428249. The reversal of 22244428242 is 24282444222.

22244428242 is a `hidden beast` number, since 2 + 224 + 4 + 428 + 2 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 22244428197 and 22244428206.

It is not an unprimeable number, because it can be changed into a prime (22244428249) 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 23 ways as a sum of consecutive naturals, for example, 914109 + ... + 938127.

It is an arithmetic number, because the mean of its divisors is an integer number (1048256820).

Almost surely, 2^22244428242 is an apocalyptic number.

22244428242 is an abundant number, since it is smaller than the sum of its proper divisors (28071899118).

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

22244428242 is a wasteful number, since it uses less digits than its factorization.

22244428242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26287 (or 26284 counting only the distinct ones).

The product of its digits is 131072, while the sum is 36.

The spelling of 22244428242 in words is "twenty-two billion, two hundred forty-four million, four hundred twenty-eight thousand, two hundred forty-two".