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222000013 = 4310394969
BaseRepresentation
bin11010011101101…
…11001110001101
3120110201202202201
431032313032031
5423313000023
634010121501
75333653234
oct1516671615
9513652681
10222000013
11104349994
1262420291
1336cbab71
14216abb1b
1514752bad
hexd3b738d

222000013 has 8 divisors (see below), whose sum is σ = 227427200. Its totient is φ = 216584928.

The previous prime is 221999993. The next prime is 222000019. The reversal of 222000013 is 310000222.

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 222000013 - 29 = 221999501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000019) 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, 42193 + ... + 47161.

It is an arithmetic number, because the mean of its divisors is an integer number (28428400).

Almost surely, 2222000013 is an apocalyptic number.

It is an amenable number.

222000013 is a deficient number, since it is larger than the sum of its proper divisors (5427187).

222000013 is a wasteful number, since it uses less digits than its factorization.

222000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 222000013 is about 14899.6648620028. The cubic root of 222000013 is about 605.5049064703.

Adding to 222000013 its reverse (310000222), we get a palindrome (532000235).

The spelling of 222000013 in words is "two hundred twenty-two million, thirteen", and thus it is an aban number.

Divisors: 1 43 1039 4969 44677 213667 5162791 222000013