22222020201210 has 640 divisors, whose sum is σ = 65629126886400. Its totient is φ = 5375834956800.

The previous prime is 22222020201149. The next prime is 22222020201221. The reversal of 22222020201210 is 1210202022222.

22222020201210 is a `hidden beast` number, since 222 + 220 + 2 + 0 + 201 + 21 + 0 = 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 319 ways as a sum of consecutive naturals, for example, 23465701957 + ... + 23465702903.

It is an arithmetic number, because the mean of its divisors is an integer number (102545510760).

Almost surely, 2^{22222020201210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22222020201210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32814563443200).

22222020201210 is an abundant number, since it is smaller than the sum of its proper divisors (43407106685190).

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

22222020201210 is a wasteful number, since it uses less digits than its factorization.

22222020201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22222020201210 its reverse (1210202022222), we get a palindrome (23432222223432).

The spelling of 22222020201210 in words is "twenty-two trillion, two hundred twenty-two billion, twenty million, two hundred one thousand, two hundred ten".