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1230221422 = 217311167193
BaseRepresentation
bin100100101010011…
…1011000001101110
310011201212201112101
41021110323001232
510004414041142
6322023525314
742325465243
oct11124730156
93151781471
101230221422
11581478621
122a3bb983a
13167b46191
14b95595ca
157300a0b7
hex4953b06e

1230221422 has 16 divisors (see below), whose sum is σ = 2016911232. Its totient is φ = 560252160.

The previous prime is 1230221407. The next prime is 1230221431. The reversal of 1230221422 is 2241220321.

It is a self number, because there is not a number n which added to its sum of digits gives 1230221422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582543 + ... + 584650.

It is an arithmetic number, because the mean of its divisors is an integer number (126056952).

Almost surely, 21230221422 is an apocalyptic number.

1230221422 is a deficient number, since it is larger than the sum of its proper divisors (786689810).

1230221422 is a wasteful number, since it uses less digits than its factorization.

1230221422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167243.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1230221422 is about 35074.5124271172. The cubic root of 1230221422 is about 1071.5055586974.

Adding to 1230221422 its reverse (2241220321), we get a palindrome (3471441743).

The spelling of 1230221422 in words is "one billion, two hundred thirty million, two hundred twenty-one thousand, four hundred twenty-two".

Divisors: 1 2 17 31 34 62 527 1054 1167193 2334386 19842281 36182983 39684562 72365966 615110711 1230221422