2231202220 has 36 divisors (see below), whose sum is σ = 5073682320. Its totient is φ = 823827264.

The previous prime is 2231202173. The next prime is 2231202221. The reversal of 2231202220 is 222021322.

It is a super-3 number, since 3×2231202220³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231202194 and 2231202203.

It is not an unprimeable number, because it can be changed into a prime (2231202221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326680 + ... + 333439.

It is an arithmetic number, because the mean of its divisors is an integer number (140935620).

Almost surely, 2^2231202220 is an apocalyptic number.

2231202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231202220 is an abundant number, since it is smaller than the sum of its proper divisors (2842480100).

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

2231202220 is a wasteful number, since it uses less digits than its factorization.

2231202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660154 (or 660139 counting only the distinct ones).

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

The square root of 2231202220 is about 47235.6033093682. The cubic root of 2231202220 is about 1306.7112931043.

Adding to 2231202220 its reverse (222021322), we get a palindrome (2453223542).

The spelling of 2231202220 in words is "two billion, two hundred thirty-one million, two hundred two thousand, two hundred twenty".