2212202212220 has 192 divisors, whose sum is σ = 6565771699200. Its totient is φ = 602978826240.

The previous prime is 2212202212153. The next prime is 2212202212273. The reversal of 2212202212220 is 222122022122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2212202212192 and 2212202212201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2527505 + ... + 3288264.

It is an arithmetic number, because the mean of its divisors is an integer number (34196727600).

Almost surely, 2^{2212202212220} is an apocalyptic number.

2212202212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212202212220 is an abundant number, since it is smaller than the sum of its proper divisors (4353569486980).

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

2212202212220 is a wasteful number, since it uses less digits than its factorization.

2212202212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815828 (or 5815826 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2212202212220 its reverse (222122022122), we get a palindrome (2434324234342).

The spelling of 2212202212220 in words is "two trillion, two hundred twelve billion, two hundred two million, two hundred twelve thousand, two hundred twenty".