22022332206 has 64 divisors (see below), whose sum is σ = 51343123968. Its totient is φ = 6166562688.

The previous prime is 22022332201. The next prime is 22022332217. The reversal of 22022332206 is 60223322022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022332201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2214361 + ... + 2224283.

It is an arithmetic number, because the mean of its divisors is an integer number (802236312).

Almost surely, 2^22022332206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022332206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25671561984).

22022332206 is an abundant number, since it is smaller than the sum of its proper divisors (29320791762).

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

22022332206 is a wasteful number, since it uses less digits than its factorization.

22022332206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10985.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22022332206 its reverse (60223322022), we get a palindrome (82245654228).

The spelling of 22022332206 in words is "twenty-two billion, twenty-two million, three hundred thirty-two thousand, two hundred six".