22305420216 has 48 divisors (see below), whose sum is σ = 60651241560. Its totient is φ = 7405512000.

The previous prime is 22305420169. The next prime is 22305420233. The reversal of 22305420216 is 61202450322.

It is a happy number.

22305420216 is a `hidden beast` number, since 2 + 23 + 0 + 5 + 420 + 216 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 22305420216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 599055 + ... + 635198.

Almost surely, 2^22305420216 is an apocalyptic number.

It is an amenable number.

22305420216 is an abundant number, since it is smaller than the sum of its proper divisors (38345821344).

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

22305420216 is a wasteful number, since it uses less digits than its factorization.

22305420216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234516 (or 1234509 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 22305420216 its reverse (61202450322), we get a palindrome (83507870538).

The spelling of 22305420216 in words is "twenty-two billion, three hundred five million, four hundred twenty thousand, two hundred sixteen".