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2232102221 = 113223283313
BaseRepresentation
bin1000010100001011…
…0010110101001101
312202120002112121122
42011002302311031
514032404232341
61005253410325
7106212361436
oct20502626515
95676075548
102232102221
11a45a66488
125236399a5
1329759145b
1417263648d
15d0e5d94b
hex850b2d4d

2232102221 has 16 divisors (see below), whose sum is σ = 2277198336. Its totient is φ = 2187634176.

The previous prime is 2232102199. The next prime is 2232102233. The reversal of 2232102221 is 1222012322.

It is a cyclic number.

It is not a de Polignac number, because 2232102221 - 226 = 2164993357 is a prime.

It is a super-3 number, since 3×22321022213 (a number of 29 digits) contains 333 as substring.

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 2232102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232102721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7131161 + ... + 7131473.

It is an arithmetic number, because the mean of its divisors is an integer number (142324896).

Almost surely, 22232102221 is an apocalyptic number.

It is an amenable number.

2232102221 is a deficient number, since it is larger than the sum of its proper divisors (45096115).

2232102221 is a wasteful number, since it uses less digits than its factorization.

2232102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2232102221 is about 47245.1290716831. The cubic root of 2232102221 is about 1306.8869657183.

Adding to 2232102221 its reverse (1222012322), we get a palindrome (3454114543).

The spelling of 2232102221 in words is "two billion, two hundred thirty-two million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 113 223 283 313 25199 31979 35369 63109 69799 88579 7131317 7887287 10009427 19753117 2232102221