22212002022210 has 384 divisors, whose sum is σ = 78292928802816. Its totient is φ = 4219078648320.

The previous prime is 22212002022179. The next prime is 22212002022241. The reversal of 22212002022210 is 1222020021222.

22212002022210 is a `hidden beast` number, since 2 + 221 + 20 + 0 + 202 + 221 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (22212002022179) and next prime (22212002022241).

It is a super-2 number, since 2×22212002022210² (a number of 27 digits) contains 22 as substring.

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 191 ways as a sum of consecutive naturals, for example, 8082409 + ... + 10476131.

It is an arithmetic number, because the mean of its divisors is an integer number (203887835424).

Almost surely, 2^{22212002022210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22212002022210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39146464401408).

22212002022210 is an abundant number, since it is smaller than the sum of its proper divisors (56080926780606).

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

22212002022210 is a wasteful number, since it uses less digits than its factorization.

22212002022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393870 (or 2393867 counting only the distinct ones).

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

Adding to 22212002022210 its reverse (1222020021222), we get a palindrome (23434022043432).

The spelling of 22212002022210 in words is "twenty-two trillion, two hundred twelve billion, two million, twenty-two thousand, two hundred ten".