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2221112023 = 13186791513
BaseRepresentation
bin1000010001100011…
…0111101011010111
312201210102011220021
42010120313223113
514022101041043
61004222050011
7106020066154
oct20430675327
95653364807
102221112023
11a3a83a379
1251ba19907
13295213c90
14170db522b
15ceedc3ed
hex84637ad7

2221112023 has 8 divisors (see below), whose sum is σ = 2393274128. Its totient is φ = 2049136704.

The previous prime is 2221112021. The next prime is 2221112039. The reversal of 2221112023 is 3202111222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2221112023 - 21 = 2221112021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221111988 and 2221112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221112021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21486 + ... + 70027.

It is an arithmetic number, because the mean of its divisors is an integer number (299159266).

Almost surely, 22221112023 is an apocalyptic number.

2221112023 is a deficient number, since it is larger than the sum of its proper divisors (172162105).

2221112023 is a wasteful number, since it uses less digits than its factorization.

2221112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93393.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2221112023 is about 47128.6751670360. The cubic root of 2221112023 is about 1304.7385300398.

Adding to 2221112023 its reverse (3202111222), we get a palindrome (5423223245).

It can be divided in two parts, 2221 and 112023, that added together give a square (114244 = 3382).

The spelling of 2221112023 in words is "two billion, two hundred twenty-one million, one hundred twelve thousand, twenty-three".

Divisors: 1 13 1867 24271 91513 1189669 170854771 2221112023