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222132313 = 13149911399
BaseRepresentation
bin11010011110101…
…11100001011001
3120110222111020201
431033113201121
5423331213223
634013022201
75335044034
oct1517274131
9513874221
10222132313
1110442a327
1262484961
1337036150
142170401b
151477bead
hexd3d7859

222132313 has 8 divisors (see below), whose sum is σ = 239400000. Its totient is φ = 204890448.

The previous prime is 222132311. The next prime is 222132419. The reversal of 222132313 is 313231222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222132313 - 21 = 222132311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222132311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13788 + ... + 25186.

It is an arithmetic number, because the mean of its divisors is an integer number (29925000).

Almost surely, 2222132313 is an apocalyptic number.

It is an amenable number.

222132313 is a deficient number, since it is larger than the sum of its proper divisors (17267687).

222132313 is a wasteful number, since it uses less digits than its factorization.

222132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12911.

The product of its digits is 432, while the sum is 19.

The square root of 222132313 is about 14904.1038979202. The cubic root of 222132313 is about 605.6251653086.

Adding to 222132313 its reverse (313231222), we get a palindrome (535363535).

The spelling of 222132313 in words is "two hundred twenty-two million, one hundred thirty-two thousand, three hundred thirteen".

Divisors: 1 13 1499 11399 19487 148187 17087101 222132313