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22030233221 = 1923101499133
BaseRepresentation
bin10100100001000110…
…101010111010000101
32002212022202210122202
4110201012222322011
5330104214430341
614042012204245
71406633615123
oct244106527205
962768683582
1022030233221
119385546317
124329a69685
1321011a9179
1410cdbb0913
1588e10179b
hex5211aae85

22030233221 has 16 divisors (see below), whose sum is σ = 24437600640. Its totient is φ = 19765627200.

The previous prime is 22030233209. The next prime is 22030233223. The reversal of 22030233221 is 12233203022.

It is a cyclic number.

It is not a de Polignac number, because 22030233221 - 26 = 22030233157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22030233193 and 22030233202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030233223) 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, 205430 + ... + 293703.

It is an arithmetic number, because the mean of its divisors is an integer number (1527350040).

Almost surely, 222030233221 is an apocalyptic number.

It is an amenable number.

22030233221 is a deficient number, since it is larger than the sum of its proper divisors (2407367419).

22030233221 is a wasteful number, since it uses less digits than its factorization.

22030233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499276.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22030233221 its reverse (12233203022), we get a palindrome (34263436243).

The spelling of 22030233221 in words is "twenty-two billion, thirty million, two hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 19 23 101 437 1919 2323 44137 499133 9483527 11480059 50412433 218121121 957836227 1159485959 22030233221