22122204606 has 24 divisors (see below), whose sum is σ = 49100504544. Its totient is φ = 7194212640.

The previous prime is 22122204581. The next prime is 22122204623. The reversal of 22122204606 is 60640222122.

It is a happy number.

22122204606 is a `hidden beast` number, since 22 + 12 + 2 + 20 + 4 + 606 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 22122204606.

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, 14987206 + ... + 14988681.

It is an arithmetic number, because the mean of its divisors is an integer number (2045854356).

Almost surely, 2^22122204606 is an apocalyptic number.

22122204606 is an abundant number, since it is smaller than the sum of its proper divisors (26978299938).

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

22122204606 is a wasteful number, since it uses less digits than its factorization.

22122204606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29975936 (or 29975933 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22122204606 its reverse (60640222122), we get a palindrome (82762426728).

The spelling of 22122204606 in words is "twenty-two billion, one hundred twenty-two million, two hundred four thousand, six hundred six".