22022172006 has 16 divisors (see below), whose sum is σ = 45234732144. Its totient is φ = 7142325984.

The previous prime is 22022171957. The next prime is 22022172023. The reversal of 22022172006 is 60027122022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49599265 + ... + 49599708.

It is an arithmetic number, because the mean of its divisors is an integer number (2827170759).

Almost surely, 2^22022172006 is an apocalyptic number.

22022172006 is an abundant number, since it is smaller than the sum of its proper divisors (23212560138).

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

22022172006 is a wasteful number, since it uses less digits than its factorization.

22022172006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99199015.

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 22022172006 its reverse (60027122022), we get a palindrome (82049294028).

The spelling of 22022172006 in words is "twenty-two billion, twenty-two million, one hundred seventy-two thousand, six".