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2213221322 = 2132319718787
BaseRepresentation
bin1000001111101011…
…0001001111001010
312201020120021220002
42003322301033022
514013041040242
61003341003002
7105563033204
oct20372611712
95636507802
102213221322
11a3633aa34
12519253462
132936b0520
1416dd1d774
15ce47e432
hex83eb13ca

2213221322 has 32 divisors (see below), whose sum is σ = 3749784192. Its totient is φ = 972062784.

The previous prime is 2213221271. The next prime is 2213221349. The reversal of 2213221322 is 2231223122.

It is a happy number.

2213221322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2213221294 and 2213221303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108413 + ... + 127199.

It is an arithmetic number, because the mean of its divisors is an integer number (117180756).

Almost surely, 22213221322 is an apocalyptic number.

2213221322 is a deficient number, since it is larger than the sum of its proper divisors (1536562870).

2213221322 is a wasteful number, since it uses less digits than its factorization.

2213221322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19022.

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

The square root of 2213221322 is about 47044.8862470726. The cubic root of 2213221322 is about 1303.1916296134.

Adding to 2213221322 its reverse (2231223122), we get a palindrome (4444444444).

The spelling of 2213221322 in words is "two billion, two hundred thirteen million, two hundred twenty-one thousand, three hundred twenty-two".

Divisors: 1 2 13 23 26 46 197 299 394 598 2561 4531 5122 9062 18787 37574 58903 117806 244231 432101 488462 864202 3701039 5617313 7402078 11234626 48113507 85123897 96227014 170247794 1106610661 2213221322