2203224012 has 36 divisors (see below), whose sum is σ = 6075558216. Its totient is φ = 667643520.

The previous prime is 2203223993. The next prime is 2203224013. The reversal of 2203224012 is 2104223022.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2203224012² = 9708392094106752288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2203224013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2781453 + ... + 2782244.

It is an arithmetic number, because the mean of its divisors is an integer number (168765506).

Almost surely, 2^2203224012 is an apocalyptic number.

2203224012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2203224012 is an abundant number, since it is smaller than the sum of its proper divisors (3872334204).

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

2203224012 is a wasteful number, since it uses less digits than its factorization.

2203224012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563718 (or 5563713 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2203224012 is about 46938.5130995859. The cubic root of 2203224012 is about 1301.2264583383.

Adding to 2203224012 its reverse (2104223022), we get a palindrome (4307447034).

The spelling of 2203224012 in words is "two billion, two hundred three million, two hundred twenty-four thousand, twelve".