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2243022223 = 13172540171
BaseRepresentation
bin1000010110110001…
…1100110110001111
312210022122100001011
42011230130312033
514043203202343
61010323430051
7106404242251
oct20554346617
95708570034
102243022223
11a51144882
12527225327
132999159b0
14173c79cd1
15d1db929d
hex85b1cd8f

2243022223 has 4 divisors (see below), whose sum is σ = 2415562408. Its totient is φ = 2070482040.

The previous prime is 2243022209. The next prime is 2243022259. The reversal of 2243022223 is 3222203422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2243022223 - 229 = 1706151311 is a prime.

It is a super-2 number, since 2×22430222232 = 10062297385743723458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243022194 and 2243022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243022203) 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 3 ways as a sum of consecutive naturals, for example, 86270073 + ... + 86270098.

It is an arithmetic number, because the mean of its divisors is an integer number (603890602).

Almost surely, 22243022223 is an apocalyptic number.

2243022223 is a deficient number, since it is larger than the sum of its proper divisors (172540185).

2243022223 is a wasteful number, since it uses less digits than its factorization.

2243022223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172540184.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2243022223 is about 47360.5555605084. Note that the first 4 decimals coincide. The cubic root of 2243022223 is about 1309.0147055712.

Adding to 2243022223 its reverse (3222203422), we get a palindrome (5465225645).

The spelling of 2243022223 in words is "two billion, two hundred forty-three million, twenty-two thousand, two hundred twenty-three".

Divisors: 1 13 172540171 2243022223