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1222331012 = 227433910061
BaseRepresentation
bin100100011011011…
…0100101010000100
310011012000211220222
41020312310222010
510000404043022
6321142443512
742201433160
oct11066645204
93135024828
101222331012
11577a79421
122a1433598
131663128b6
14b84a3ca0
157249c242
hex48db4a84

1222331012 has 24 divisors (see below), whose sum is σ = 2445468480. Its totient is φ = 523683360.

The previous prime is 1222331003. The next prime is 1222331017. The reversal of 1222331012 is 2101332221.

It is not an unprimeable number, because it can be changed into a prime (1222331017) 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, 116462 + ... + 126522.

It is an arithmetic number, because the mean of its divisors is an integer number (101894520).

Almost surely, 21222331012 is an apocalyptic number.

It is an amenable number.

1222331012 is an abundant number, since it is smaller than the sum of its proper divisors (1223137468).

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

1222331012 is a wasteful number, since it uses less digits than its factorization.

1222331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14411 (or 14409 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1222331012 is about 34961.8508091319. The cubic root of 1222331012 is about 1069.2098315072.

Adding to 1222331012 its reverse (2101332221), we get a palindrome (3323663233).

The spelling of 1222331012 in words is "one billion, two hundred twenty-two million, three hundred thirty-one thousand, twelve".

Divisors: 1 2 4 7 14 28 4339 8678 10061 17356 20122 30373 40244 60746 70427 121492 140854 281708 43654679 87309358 174618716 305582753 611165506 1222331012