2231222200 has 24 divisors (see below), whose sum is σ = 5187592080. Its totient is φ = 892488800.

The previous prime is 2231222183. The next prime is 2231222207. The reversal of 2231222200 is 22221322.

It is a super-3 number, since 3×2231222200³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231222207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5577856 + ... + 5578255.

It is an arithmetic number, because the mean of its divisors is an integer number (216149670).

Almost surely, 2^2231222200 is an apocalyptic number.

2231222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231222200 is an abundant number, since it is smaller than the sum of its proper divisors (2956369880).

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

2231222200 is a wasteful number, since it uses less digits than its factorization.

2231222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11156127 (or 11156118 counting only the distinct ones).

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

The square root of 2231222200 is about 47235.8148019064. The cubic root of 2231222200 is about 1306.7151935446.

Adding to 2231222200 its reverse (22221322), we get a palindrome (2253443522).

The spelling of 2231222200 in words is "two billion, two hundred thirty-one million, two hundred twenty-two thousand, two hundred".