2022231220 has 24 divisors (see below), whose sum is σ = 4285650600. Its totient is φ = 801470592.

The previous prime is 2022231187. The next prime is 2022231221. The reversal of 2022231220 is 221322202.

It can be written as a sum of positive squares in 4 ways, for example, as 42693156 + 1979538064 = 6534^2 + 44492^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2022231194 and 2022231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022231221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461635 + ... + 465994.

It is an arithmetic number, because the mean of its divisors is an integer number (178568775).

Almost surely, 2^2022231220 is an apocalyptic number.

2022231220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022231220 is an abundant number, since it is smaller than the sum of its proper divisors (2263419380).

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

2022231220 is a wasteful number, since it uses less digits than its factorization.

2022231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927747 (or 927745 counting only the distinct ones).

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

The square root of 2022231220 is about 44969.2252546116. The cubic root of 2022231220 is about 1264.5721227314.

Adding to 2022231220 its reverse (221322202), we get a palindrome (2243553422).

The spelling of 2022231220 in words is "two billion, twenty-two million, two hundred thirty-one thousand, two hundred twenty".