2222022020 has 24 divisors (see below), whose sum is σ = 4667319384. Its totient is φ = 888604416.

The previous prime is 2222022017. The next prime is 2222022029. The reversal of 2222022020 is 202202222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 791972164 + 1430049856 = 28142^2 + 37816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2222021986 and 2222022004.

It is not an unprimeable number, because it can be changed into a prime (2222022029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101144 + ... + 121136.

It is an arithmetic number, because the mean of its divisors is an integer number (194471641).

Almost surely, 2^2222022020 is an apocalyptic number.

2222022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222022020 is an abundant number, since it is smaller than the sum of its proper divisors (2445297364).

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

2222022020 is a wasteful number, since it uses less digits than its factorization.

2222022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25559 (or 25557 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2222022020 is about 47138.3285660406. The cubic root of 2222022020 is about 1304.9166909527.

Adding to 2222022020 its reverse (202202222), we get a palindrome (2424224242).

The spelling of 2222022020 in words is "two billion, two hundred twenty-two million, twenty-two thousand, twenty".