22212010212210 has 576 divisors, whose sum is σ = 74286005084928. Its totient is φ = 4504824170496.

The previous prime is 22212010212151. The next prime is 22212010212257. The reversal of 22212010212210 is 1221201021222.

It is a happy number.

22212010212210 is a `hidden beast` number, since 2 + 221 + 20 + 1 + 0 + 212 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 326935404 + ... + 327003336.

It is an arithmetic number, because the mean of its divisors is an integer number (128968758828).

Almost surely, 2^{22212010212210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22212010212210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37143002542464).

22212010212210 is an abundant number, since it is smaller than the sum of its proper divisors (52073994872718).

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

22212010212210 is a wasteful number, since it uses less digits than its factorization.

22212010212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68099 (or 68083 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22212010212210 its reverse (1221201021222), we get a palindrome (23433211233432).

The spelling of 22212010212210 in words is "twenty-two trillion, two hundred twelve billion, ten million, two hundred twelve thousand, two hundred ten".