22122212010202 has 8 divisors (see below), whose sum is σ = 33727306835412. Its totient is φ = 10879776398400.

The previous prime is 22122212010179. The next prime is 22122212010209. The reversal of 22122212010202 is 20201021222122.

It can be written as a sum of positive squares in 2 ways, for example, as 13928712230161 + 8193499780041 = 3732119^2 + 2862429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22122212010202² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22122212010202.

It is not an unprimeable number, because it can be changed into a prime (22122212010209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90664803199 + ... + 90664803442.

Almost surely, 2^{22122212010202} is an apocalyptic number.

22122212010202 is a deficient number, since it is larger than the sum of its proper divisors (11605094825210).

22122212010202 is a wasteful number, since it uses less digits than its factorization.

22122212010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181329606704.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22122212010202 its reverse (20201021222122), we get a palindrome (42323233232324).

The spelling of 22122212010202 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twelve million, ten thousand, two hundred two".