2224021212 has 360 divisors, whose sum is σ = 7288197840. Its totient is φ = 587865600.

The previous prime is 2224021211. The next prime is 2224021213. The reversal of 2224021212 is 2121204222.

It is an interprime number because it is at equal distance from previous prime (2224021211) and next prime (2224021213).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224021211) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 22019962 + ... + 22020062.

It is an arithmetic number, because the mean of its divisors is an integer number (20244994).

Almost surely, 2^2224021212 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 2224021212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3644098920).

2224021212 is an abundant number, since it is smaller than the sum of its proper divisors (5064176628).

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

2224021212 is a wasteful number, since it uses less digits than its factorization.

2224021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2224021212 is about 47159.5293869648. The cubic root of 2224021212 is about 1305.3079257512.

Adding to 2224021212 its reverse (2121204222), we get a palindrome (4345225434).

The spelling of 2224021212 in words is "two billion, two hundred twenty-four million, twenty-one thousand, two hundred twelve".