2213423212 has 192 divisors, whose sum is σ = 5421265920. Its totient is φ = 763084800.

The previous prime is 2213423207. The next prime is 2213423243. The reversal of 2213423212 is 2123243122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15923839 + ... + 15923977.

It is an arithmetic number, because the mean of its divisors is an integer number (28235760).

Almost surely, 2^2213423212 is an apocalyptic number.

2213423212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2213423212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2710632960).

2213423212 is an abundant number, since it is smaller than the sum of its proper divisors (3207842708).

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

2213423212 is a wasteful number, since it uses less digits than its factorization.

2213423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 310 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 2213423212 is about 47047.0319148828. The cubic root of 2213423212 is about 1303.2312541125.

Adding to 2213423212 its reverse (2123243122), we get a palindrome (4336666334).

The spelling of 2213423212 in words is "two billion, two hundred thirteen million, four hundred twenty-three thousand, two hundred twelve".