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2212303121 = 72411311383
BaseRepresentation
bin1000001111011101…
…0001000100010001
312201011211122100122
42003313101010101
514012322144441
61003305200025
7105552160220
oct20367210421
95634748318
102212303121
11a35873096
12518a90015
1329344b602
1416db60cb7
15ce34c34b
hex83dd1111

2212303121 has 8 divisors (see below), whose sum is σ = 2538839424. Its totient is φ = 1888390080.

The previous prime is 2212303103. The next prime is 2212303141. The reversal of 2212303121 is 1213032122.

2212303121 = 29092 + 29102 + ... + 31492.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2212303121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212303121.

It is not an unprimeable number, because it can be changed into a prime (2212303141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654005 + ... + 657378.

It is an arithmetic number, because the mean of its divisors is an integer number (317354928).

Almost surely, 22212303121 is an apocalyptic number.

It is an amenable number.

2212303121 is a deficient number, since it is larger than the sum of its proper divisors (326536303).

2212303121 is a wasteful number, since it uses less digits than its factorization.

2212303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311631.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2212303121 is about 47035.1264588499. The cubic root of 2212303121 is about 1303.0113859477.

Adding to 2212303121 its reverse (1213032122), we get a palindrome (3425335243).

The spelling of 2212303121 in words is "two billion, two hundred twelve million, three hundred three thousand, one hundred twenty-one".

Divisors: 1 7 241 1687 1311383 9179681 316043303 2212303121