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422124212 = 22179763997
BaseRepresentation
bin11001001010010…
…001101010110100
31002102022010120002
4121022101222310
51331030433322
6105515330432
713313665556
oct3112215264
91072263502
10422124212
111a7307194
12b9450a18
13695b9853
14400c34d6
15270d3c92
hex19291ab4

422124212 has 24 divisors (see below), whose sum is σ = 790247304. Its totient is φ = 196595712.

The previous prime is 422124211. The next prime is 422124223. The reversal of 422124212 is 212421224.

It can be written as a sum of positive squares in 4 ways, for example, as 163686436 + 258437776 = 12794^2 + 16076^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422124211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25403 + ... + 38594.

It is an arithmetic number, because the mean of its divisors is an integer number (32926971).

Almost surely, 2422124212 is an apocalyptic number.

It is an amenable number.

422124212 is a deficient number, since it is larger than the sum of its proper divisors (368123092).

422124212 is a wasteful number, since it uses less digits than its factorization.

422124212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64115 (or 64113 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 422124212 is about 20545.6616345154. The cubic root of 422124212 is about 750.1476521151.

Adding to 422124212 its reverse (212421224), we get a palindrome (634545436).

The spelling of 422124212 in words is "four hundred twenty-two million, one hundred twenty-four thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 97 194 388 1649 3298 6596 63997 127994 255988 1087949 2175898 4351796 6207709 12415418 24830836 105531053 211062106 422124212