22102424272 has 30 divisors (see below), whose sum is σ = 45195948978. Its totient is φ = 10469566656.

The previous prime is 22102424263. The next prime is 22102424347. The reversal of 22102424272 is 27242420122.

It can be written as a sum of positive squares in only one way, i.e., 20284595776 + 1817828496 = 142424^2 + 42636^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22102424272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1907523 + ... + 1919074.

Almost surely, 2^22102424272 is an apocalyptic number.

It is an amenable number.

22102424272 is an abundant number, since it is smaller than the sum of its proper divisors (23093524706).

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

22102424272 is a wasteful number, since it uses less digits than its factorization.

22102424272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826643 (or 3826618 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 28.

Adding to 22102424272 its reverse (27242420122), we get a palindrome (49344844394).

The spelling of 22102424272 in words is "twenty-two billion, one hundred two million, four hundred twenty-four thousand, two hundred seventy-two".