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1230222204 = 2232172010167
BaseRepresentation
bin100100101010011…
…1011001101111100
310011201212202121100
41021110323031330
510004414102304
6322023533100
742325500441
oct11124731574
93151782540
101230222204
11581479172
122a3bba190
13167b46643
14b95599c8
157300a439
hex4953b37c

1230222204 has 36 divisors (see below), whose sum is σ = 3292655184. Its totient is φ = 385951872.

The previous prime is 1230222199. The next prime is 1230222211. The reversal of 1230222204 is 4022220321.

It is a tau number, because it is divible by the number of its divisors (36).

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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1004472 + ... + 1005695.

It is an arithmetic number, because the mean of its divisors is an integer number (91462644).

Almost surely, 21230222204 is an apocalyptic number.

It is an amenable number.

1230222204 is an abundant number, since it is smaller than the sum of its proper divisors (2062432980).

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

1230222204 is a wasteful number, since it uses less digits than its factorization.

1230222204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010194 (or 2010189 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1230222204 is about 35074.5235748114. The cubic root of 1230222204 is about 1071.5057857343.

Adding to 1230222204 its reverse (4022220321), we get a palindrome (5252442525).

The spelling of 1230222204 in words is "one billion, two hundred thirty million, two hundred twenty-two thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 2010167 4020334 6030501 8040668 12061002 18091503 24122004 34172839 36183006 68345678 72366012 102518517 136691356 205037034 307555551 410074068 615111102 1230222204