2202223220 has 48 divisors (see below), whose sum is σ = 4707771600. Its totient is φ = 865105920.

The previous prime is 2202223207. The next prime is 2202223223. The reversal of 2202223220 is 223222022.

It can be written as a sum of positive squares in 8 ways, for example, as 85119076 + 2117104144 = 9226^2 + 46012^2 .

It is a super-2 number, since 2×2202223220² = 9699574221414336800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202223223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230086 + ... + 1231874.

It is an arithmetic number, because the mean of its divisors is an integer number (98078575).

Almost surely, 2^2202223220 is an apocalyptic number.

2202223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202223220 is an abundant number, since it is smaller than the sum of its proper divisors (2505548380).

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

2202223220 is a wasteful number, since it uses less digits than its factorization.

2202223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868 (or 2866 counting only the distinct ones).

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

The square root of 2202223220 is about 46927.8512186527. The cubic root of 2202223220 is about 1301.0294055569.

Adding to 2202223220 its reverse (223222022), we get a palindrome (2425445242).

The spelling of 2202223220 in words is "two billion, two hundred two million, two hundred twenty-three thousand, two hundred twenty".