2210022122220 has 144 divisors (see below), whose sum is σ = 7340972550912. Its totient is φ = 533725691520.

The previous prime is 2210022122177. The next prime is 2210022122227. The reversal of 2210022122220 is 222212200122.

2210022122220 is a `hidden beast` number, since 221 + 0 + 0 + 221 + 2 + 2 + 220 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2210022122193 and 2210022122202.

It is not an unprimeable number, because it can be changed into a prime (2210022122227) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1601262 + ... + 2642741.

It is an arithmetic number, because the mean of its divisors is an integer number (50978976048).

Almost surely, 2^{2210022122220} is an apocalyptic number.

2210022122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210022122220 is an abundant number, since it is smaller than the sum of its proper divisors (5130950428692).

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

2210022122220 is a wasteful number, since it uses less digits than its factorization.

2210022122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244292 (or 4244287 counting only the distinct ones).

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

Adding to 2210022122220 its reverse (222212200122), we get a palindrome (2432234322342).

The spelling of 2210022122220 in words is "two trillion, two hundred ten billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty".