2230321212 has 144 divisors (see below), whose sum is σ = 6732311040. Its totient is φ = 609081984.

The previous prime is 2230321199. The next prime is 2230321253. The reversal of 2230321212 is 2121230322.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 751243 + ... + 754205.

It is an arithmetic number, because the mean of its divisors is an integer number (46752160).

Almost surely, 2^2230321212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2230321212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3366155520).

2230321212 is an abundant number, since it is smaller than the sum of its proper divisors (4501989828).

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

2230321212 is a wasteful number, since it uses less digits than its factorization.

2230321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2230321212 is about 47226.2767111700. The cubic root of 2230321212 is about 1306.5392820020.

Adding to 2230321212 its reverse (2121230322), we get a palindrome (4351551534).

The spelling of 2230321212 in words is "two billion, two hundred thirty million, three hundred twenty-one thousand, two hundred twelve".