22244005452 has 12 divisors (see below), whose sum is σ = 51902679416. Its totient is φ = 7414668480.

The previous prime is 22244005439. The next prime is 22244005481. The reversal of 22244005452 is 25450044222.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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, 926833549 + ... + 926833572.

Almost surely, 2^22244005452 is an apocalyptic number.

It is an amenable number.

22244005452 is an abundant number, since it is smaller than the sum of its proper divisors (29658673964).

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

22244005452 is a wasteful number, since it uses less digits than its factorization.

22244005452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853667128 (or 1853667126 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 22244005452 its reverse (25450044222), we get a palindrome (47694049674).

The spelling of 22244005452 in words is "twenty-two billion, two hundred forty-four million, five thousand, four hundred fifty-two".