22272502530 has 16 divisors (see below), whose sum is σ = 53454006144. Its totient is φ = 5939334000.

The previous prime is 22272502463. The next prime is 22272502559. The reversal of 22272502530 is 3520527222.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 742416751 = 22272502530 / (2 + 2 + 2 + 7 + 2 + 5 + 0 + 2 + 5 + 3 + 0).

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 371208346 + ... + 371208405.

It is an arithmetic number, because the mean of its divisors is an integer number (3340875384).

Almost surely, 2^22272502530 is an apocalyptic number.

22272502530 is an abundant number, since it is smaller than the sum of its proper divisors (31181503614).

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

22272502530 is a wasteful number, since it uses less digits than its factorization.

22272502530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742416761.

The product of its (nonzero) digits is 16800, while the sum is 30.

The spelling of 22272502530 in words is "twenty-two billion, two hundred seventy-two million, five hundred two thousand, five hundred thirty".