22233221206 has 16 divisors (see below), whose sum is σ = 38116007424. Its totient is φ = 9528044904.

The previous prime is 22233221201. The next prime is 22233221221. The reversal of 22233221206 is 60212233222.

It is a happy number.

It is a super-2 number, since 2×22233221206² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233221201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519001 + ... + 560203.

It is an arithmetic number, because the mean of its divisors is an integer number (2382250464).

Almost surely, 2^22233221206 is an apocalyptic number.

22233221206 is a deficient number, since it is larger than the sum of its proper divisors (15882786218).

22233221206 is a wasteful number, since it uses less digits than its factorization.

22233221206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79755.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22233221206 its reverse (60212233222), we get a palindrome (82445454428).

The spelling of 22233221206 in words is "twenty-two billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred six".