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2213104223 = 111011991993
BaseRepresentation
bin1000001111101001…
…0100101001011111
312201020100100021002
42003322110221133
514013023313343
61003334300515
7105562034621
oct20372245137
95636310232
102213104223
11a3626aa60
125191b773b
1329366c135
1416dcccc11
15ce4598b8
hex83e94a5f

2213104223 has 8 divisors (see below), whose sum is σ = 2438200656. Its totient is φ = 1991992000.

The previous prime is 2213104213. The next prime is 2213104241. The reversal of 2213104223 is 3224013122.

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 2213104223 - 226 = 2145995359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213104195 and 2213104204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213104213) 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, 994886 + ... + 997107.

It is an arithmetic number, because the mean of its divisors is an integer number (304775082).

Almost surely, 22213104223 is an apocalyptic number.

2213104223 is a deficient number, since it is larger than the sum of its proper divisors (225096433).

2213104223 is a wasteful number, since it uses less digits than its factorization.

2213104223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992105.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2213104223 is about 47043.6416851417. The cubic root of 2213104223 is about 1303.1686457503.

Adding to 2213104223 its reverse (3224013122), we get a palindrome (5437117345).

The spelling of 2213104223 in words is "two billion, two hundred thirteen million, one hundred four thousand, two hundred twenty-three".

Divisors: 1 11 101 1111 1991993 21911923 201191293 2213104223