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2224213213 = 10122021913
BaseRepresentation
bin1000010010010010…
…1100110011011101
312202000020201221011
42010210230303131
514023344310323
61004412335221
7106055333425
oct20444546335
95660221834
102224213213
11a41568342
12520a74511
13295a5b6c1
14171581485
15d040120d
hex8492ccdd

2224213213 has 4 divisors (see below), whose sum is σ = 2246235228. Its totient is φ = 2202191200.

The previous prime is 2224213193. The next prime is 2224213279. The reversal of 2224213213 is 3123124222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1127146329 + 1097066884 = 33573^2 + 33122^2 .

It is a cyclic number.

It is not a de Polignac number, because 2224213213 - 217 = 2224082141 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224223213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11010856 + ... + 11011057.

It is an arithmetic number, because the mean of its divisors is an integer number (561558807).

Almost surely, 22224213213 is an apocalyptic number.

It is an amenable number.

2224213213 is a deficient number, since it is larger than the sum of its proper divisors (22022015).

2224213213 is a wasteful number, since it uses less digits than its factorization.

2224213213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22022014.

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

The square root of 2224213213 is about 47161.5649973578. The cubic root of 2224213213 is about 1305.3454873257.

Adding to 2224213213 its reverse (3123124222), we get a palindrome (5347337435).

The spelling of 2224213213 in words is "two billion, two hundred twenty-four million, two hundred thirteen thousand, two hundred thirteen".

Divisors: 1 101 22021913 2224213213