2122320222 has 96 divisors (see below), whose sum is σ = 5455348704. Its totient is φ = 588902400.

The previous prime is 2122320173. The next prime is 2122320247. The reversal of 2122320222 is 2220232212.

2122320222 is a `hidden beast` number, since 2 + 122 + 320 + 222 = 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 = 2122320195 and 2122320204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116022 + ... + 133062.

It is an arithmetic number, because the mean of its divisors is an integer number (56826549).

Almost surely, 2^2122320222 is an apocalyptic number.

2122320222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122320222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2727674352).

2122320222 is an abundant number, since it is smaller than the sum of its proper divisors (3333028482).

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

2122320222 is a wasteful number, since it uses less digits than its factorization.

2122320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17114 (or 17111 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2122320222 is about 46068.6468435964. The cubic root of 2122320222 is about 1285.1001394604.

Adding to 2122320222 its reverse (2220232212), we get a palindrome (4342552434).

The spelling of 2122320222 in words is "two billion, one hundred twenty-two million, three hundred twenty thousand, two hundred twenty-two".