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22220222101 = 7114717934301
BaseRepresentation
bin10100101100011011…
…011010111010010101
32010100120021020101221
4110230123122322111
5331001334101401
614112520250341
71414431525430
oct245433327225
963316236357
1022220222101
119472810820
1243816109b1
13213166981c
14110b108817
158a0b2e7a1
hex52c6dae95

22220222101 has 32 divisors (see below), whose sum is σ = 28451450880. Its totient is φ = 16850904000.

The previous prime is 22220222041. The next prime is 22220222131. The reversal of 22220222101 is 10122202222.

It is not a de Polignac number, because 22220222101 - 29 = 22220221589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220222131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630651 + ... + 664951.

It is an arithmetic number, because the mean of its divisors is an integer number (889107840).

Almost surely, 222220222101 is an apocalyptic number.

It is an amenable number.

22220222101 is a deficient number, since it is larger than the sum of its proper divisors (6231228779).

22220222101 is a wasteful number, since it uses less digits than its factorization.

22220222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34545.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22220222101 its reverse (10122202222), we get a palindrome (32342424323).

The spelling of 22220222101 in words is "twenty-two billion, two hundred twenty million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 7 11 47 77 179 329 517 1253 1969 3619 8413 13783 34301 58891 92543 240107 377311 647801 1612147 2641177 6139879 11285029 17733617 42979153 67538669 124135319 288574313 472770683 2020020191 3174317443 22220222101