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1222412042 = 29721129863
BaseRepresentation
bin100100011011100…
…1000011100001010
310011012011222002002
41020313020130022
510000414141132
6321144311002
742202221335
oct11067103412
93135158062
101222412042
11578024295
122a1472462
13166340747
14b84c561c
15724b6262
hex48dc870a

1222412042 has 16 divisors (see below), whose sum is σ = 1861363392. Its totient is φ = 602017920.

The previous prime is 1222412039. The next prime is 1222412053. The reversal of 1222412042 is 2402142221.

It is an unprimeable number.

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, 26003 + ... + 55865.

It is an arithmetic number, because the mean of its divisors is an integer number (116335212).

Almost surely, 21222412042 is an apocalyptic number.

1222412042 is a deficient number, since it is larger than the sum of its proper divisors (638951350).

1222412042 is a wasteful number, since it uses less digits than its factorization.

1222412042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30173.

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

The square root of 1222412042 is about 34963.0096244588. The cubic root of 1222412042 is about 1069.2334574474.

Adding to 1222412042 its reverse (2402142221), we get a palindrome (3624554263).

The spelling of 1222412042 in words is "one billion, two hundred twenty-two million, four hundred twelve thousand, forty-two".

Divisors: 1 2 97 194 211 422 20467 29863 40934 59726 2896711 5793422 6301093 12602186 611206021 1222412042