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22212101214 = 2323139806633
BaseRepresentation
bin10100101011111100…
…011100010001011110
32010022222222122122100
4110223330130101132
5330442244214324
614112030225530
71414302513402
oct245374342136
963288878570
1022212101214
119469174446
12437a9552a6
13212ca85374
141109dd3102
158a00784c9
hex52bf1c45e

22212101214 has 24 divisors (see below), whose sum is σ = 49678679232. Its totient is φ = 7165193760.

The previous prime is 22212101209. The next prime is 22212101237. The reversal of 22212101214 is 41210121222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 19902759 + ... + 19903874.

It is an arithmetic number, because the mean of its divisors is an integer number (2069944968).

Almost surely, 222212101214 is an apocalyptic number.

22212101214 is an abundant number, since it is smaller than the sum of its proper divisors (27466578018).

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

22212101214 is a wasteful number, since it uses less digits than its factorization.

22212101214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39806672 (or 39806669 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22212101214 its reverse (41210121222), we get a palindrome (63422222436).

The spelling of 22212101214 in words is "twenty-two billion, two hundred twelve million, one hundred one thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 39806633 79613266 119419899 238839798 358259697 716519394 1234005623 2468011246 3702016869 7404033738 11106050607 22212101214