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222113243 = 11139145267
BaseRepresentation
bin11010011110100…
…10110111011011
3120110221112002102
431033102313123
5423330110433
634012354015
75334634322
oct1517226733
9513845072
10222113243
11104416a70
126247590b
133702a571
14216db0b9
15147764e8
hexd3d2ddb

222113243 has 8 divisors (see below), whose sum is σ = 244050240. Its totient is φ = 200467080.

The previous prime is 222113239. The next prime is 222113263. The reversal of 222113243 is 342311222.

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

It is not a de Polignac number, because 222113243 - 22 = 222113239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222113263) 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, 71105 + ... + 74162.

It is an arithmetic number, because the mean of its divisors is an integer number (30506280).

Almost surely, 2222113243 is an apocalyptic number.

222113243 is a deficient number, since it is larger than the sum of its proper divisors (21936997).

222113243 is a wasteful number, since it uses less digits than its factorization.

222113243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145417.

The product of its digits is 576, while the sum is 20.

The square root of 222113243 is about 14903.4641275108. The cubic root of 222113243 is about 605.6078338928.

Adding to 222113243 its reverse (342311222), we get a palindrome (564424465).

The spelling of 222113243 in words is "two hundred twenty-two million, one hundred thirteen thousand, two hundred forty-three".

Divisors: 1 11 139 1529 145267 1597937 20192113 222113243