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22112221130 = 2517473976971
BaseRepresentation
bin10100100101111111…
…011011011111001010
32010002001001012220222
4110211333123133022
5330241212034010
614054101350042
71411650530666
oct244577333712
963061035828
1022112221130
11941785501a
124351408322
13211518431c
1410daa338a6
158963e9355
hex525fdb7ca

22112221130 has 64 divisors (see below), whose sum is σ = 43154560512. Its totient is φ = 8125793280.

The previous prime is 22112221123. The next prime is 22112221133. The reversal of 22112221130 is 3112221122.

It is a super-3 number, since 3×221122211303 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22112221099 and 22112221108.

It is not an unprimeable number, because it can be changed into a prime (22112221133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3168545 + ... + 3175515.

It is an arithmetic number, because the mean of its divisors is an integer number (674290008).

Almost surely, 222112221130 is an apocalyptic number.

22112221130 is a deficient number, since it is larger than the sum of its proper divisors (21042339382).

22112221130 is a wasteful number, since it uses less digits than its factorization.

22112221130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7439.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22112221130 its reverse (3112221122), we get a palindrome (25224442252).

The spelling of 22112221130 in words is "twenty-two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 47 85 94 170 235 397 470 794 799 1598 1985 3970 3995 6749 6971 7990 13498 13942 18659 33745 34855 37318 67490 69710 93295 118507 186590 237014 317203 327637 592535 634406 655274 1185070 1586015 1638185 2767487 3172030 3276370 5534974 5569829 11139658 13837435 27674870 27849145 47047279 55698290 94094558 130071889 235236395 260143778 470472790 650359445 1300718890 2211222113 4422444226 11056110565 22112221130