Search a number
-
+
2221113224 = 2311191328417
BaseRepresentation
bin1000010001100011…
…0111111110001000
312201210102020112202
42010120313332020
514022101110344
61004222055332
7106020102521
oct20430677610
95653366482
102221113224
11a3a840270
1251ba1a548
132952146a5
14170db5848
15ceedc94e
hex84637f88

2221113224 has 32 divisors (see below), whose sum is σ = 4782304800. Its totient is φ = 956459520.

The previous prime is 2221113187. The next prime is 2221113239. The reversal of 2221113224 is 4223111222.

It is a junction number, because it is equal to n+sod(n) for n = 2221113196 and 2221113205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662537 + ... + 665880.

It is an arithmetic number, because the mean of its divisors is an integer number (149447025).

Almost surely, 22221113224 is an apocalyptic number.

It is an amenable number.

2221113224 is an abundant number, since it is smaller than the sum of its proper divisors (2561191576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221113224 is a wasteful number, since it uses less digits than its factorization.

2221113224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328453 (or 1328449 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 2221113224 is about 47128.6879087462. The cubic root of 2221113224 is about 1304.7387652058.

Adding to 2221113224 its reverse (4223111222), we get a palindrome (6444224446).

The spelling of 2221113224 in words is "two billion, two hundred twenty-one million, one hundred thirteen thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 418 836 1672 1328417 2656834 5313668 10627336 14612587 25239923 29225174 50479846 58450348 100959692 116900696 201919384 277639153 555278306 1110556612 2221113224