22224203406 has 12 divisors (see below), whose sum is σ = 48152440752. Its totient is φ = 7408067796.

The previous prime is 22224203369. The next prime is 22224203413. The reversal of 22224203406 is 60430242222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22224203406.

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, 617338966 + ... + 617339001.

It is an arithmetic number, because the mean of its divisors is an integer number (4012703396).

Almost surely, 2^22224203406 is an apocalyptic number.

22224203406 is an abundant number, since it is smaller than the sum of its proper divisors (25928237346).

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

22224203406 is a wasteful number, since it uses less digits than its factorization.

22224203406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234677975 (or 1234677972 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22224203406 its reverse (60430242222), we get a palindrome (82654445628).

The spelling of 22224203406 in words is "twenty-two billion, two hundred twenty-four million, two hundred three thousand, four hundred six".