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2221022330 = 25222102233
BaseRepresentation
bin1000010001100010…
…0001110001111010
312201210020121212022
42010120201301322
514022040203310
61004220114442
7106016243522
oct20430416172
95653217768
102221022330
11a3a788a4a
1251b995a22
132951b21c7
14170d90682
15ceec0a55
hex84621c7a

2221022330 has 8 divisors (see below), whose sum is σ = 3997840212. Its totient is φ = 888408928.

The previous prime is 2221022327. The next prime is 2221022351. The reversal of 2221022330 is 332201222.

It can be written as a sum of positive squares in 2 ways, for example, as 1795301641 + 425720689 = 42371^2 + 20633^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2221022299 and 2221022308.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 111051107 + ... + 111051126.

Almost surely, 22221022330 is an apocalyptic number.

2221022330 is a deficient number, since it is larger than the sum of its proper divisors (1776817882).

2221022330 is a wasteful number, since it uses less digits than its factorization.

2221022330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222102240.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2221022330 is about 47127.7235817730. The cubic root of 2221022330 is about 1304.7209671423.

Adding to 2221022330 its reverse (332201222), we get a palindrome (2553223552).

The spelling of 2221022330 in words is "two billion, two hundred twenty-one million, twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 222102233 444204466 1110511165 2221022330