2212023220 has 48 divisors (see below), whose sum is σ = 5117769216. Its totient is φ = 796400000.

The previous prime is 2212023199. The next prime is 2212023239. The reversal of 2212023220 is 223202122.

2212023220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2212023194 and 2212023203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27556 + ... + 71995.

It is an arithmetic number, because the mean of its divisors is an integer number (106620192).

Almost surely, 2^2212023220 is an apocalyptic number.

2212023220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212023220 is an abundant number, since it is smaller than the sum of its proper divisors (2905745996).

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

2212023220 is a wasteful number, since it uses less digits than its factorization.

2212023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99672 (or 99670 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2212023220 is about 47032.1509182814. The cubic root of 2212023220 is about 1302.9564312161.

Adding to 2212023220 its reverse (223202122), we get a palindrome (2435225342).

It can be divided in two parts, 221202 and 3220, that added together give a palindrome (224422).

The spelling of 2212023220 in words is "two billion, two hundred twelve million, twenty-three thousand, two hundred twenty".