22280015428 has 24 divisors (see below), whose sum is σ = 43012499040. Its totient is φ = 10013488320.

The previous prime is 22280015377. The next prime is 22280015437. The reversal of 22280015428 is 82451008222.

It is a junction number, because it is equal to n+sod(n) for n = 22280015393 and 22280015402.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2840826 + ... + 2848657.

It is an arithmetic number, because the mean of its divisors is an integer number (1792187460).

Almost surely, 2^22280015428 is an apocalyptic number.

It is an amenable number.

22280015428 is a deficient number, since it is larger than the sum of its proper divisors (20732483612).

22280015428 is a wasteful number, since it uses less digits than its factorization.

22280015428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689587 (or 5689585 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The spelling of 22280015428 in words is "twenty-two billion, two hundred eighty million, fifteen thousand, four hundred twenty-eight".