2222023220 has 12 divisors (see below), whose sum is σ = 4666248804. Its totient is φ = 888809280.

The previous prime is 2222023213. The next prime is 2222023231. The reversal of 2222023220 is 223202222.

It can be written as a sum of positive squares in 2 ways, for example, as 977062564 + 1244960656 = 31258^2 + 35284^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55550561 + ... + 55550600.

It is an arithmetic number, because the mean of its divisors is an integer number (388854067).

Almost surely, 2^2222023220 is an apocalyptic number.

2222023220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222023220 is an abundant number, since it is smaller than the sum of its proper divisors (2444225584).

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

2222023220 is a wasteful number, since it uses less digits than its factorization.

2222023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111101170 (or 111101168 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2222023220 is about 47138.3412945343. The cubic root of 2222023220 is about 1304.9169258588.

Adding to 2222023220 its reverse (223202222), we get a palindrome (2445225442).

The spelling of 2222023220 in words is "two billion, two hundred twenty-two million, twenty-three thousand, two hundred twenty".