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2221022102 = 21385423927
BaseRepresentation
bin1000010001100010…
…0001101110010110
312201210020121112212
42010120201232112
514022040201402
61004220113422
7106016243045
oct20430415626
95653217485
102221022102
11a3a788862
1251b995872
132951b2080
14170d9055c
15ceec0952
hex84621b96

2221022102 has 8 divisors (see below), whose sum is σ = 3587804976. Its totient is φ = 1025087112.

The previous prime is 2221022057. The next prime is 2221022107. The reversal of 2221022102 is 2012201222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221022107) 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 3 ways as a sum of consecutive naturals, for example, 42711938 + ... + 42711989.

It is an arithmetic number, because the mean of its divisors is an integer number (448475622).

Almost surely, 22221022102 is an apocalyptic number.

2221022102 is a deficient number, since it is larger than the sum of its proper divisors (1366782874).

2221022102 is a wasteful number, since it uses less digits than its factorization.

2221022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85423942.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2221022102 is about 47127.7211628146. The cubic root of 2221022102 is about 1304.7209224967.

Adding to 2221022102 its reverse (2012201222), we get a palindrome (4233223324).

The spelling of 2221022102 in words is "two billion, two hundred twenty-one million, twenty-two thousand, one hundred two".

Divisors: 1 2 13 26 85423927 170847854 1110511051 2221022102