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122230223 = 2512811733
BaseRepresentation
bin1110100100100…
…01010111001111
322111222221100022
413102101113033
5222242331343
620043452355
73012640223
oct722212717
9274887308
10122230223
1162aa5415
1234b270bb
131c42809b
141233a783
15aae6568
hex74915cf

122230223 has 8 divisors (see below), whose sum is σ = 123224976. Its totient is φ = 121240000.

The previous prime is 122230219. The next prime is 122230231. The reversal of 122230223 is 322032221.

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 122230223 - 22 = 122230219 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122236223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69665 + ... + 71397.

It is an arithmetic number, because the mean of its divisors is an integer number (15403122).

Almost surely, 2122230223 is an apocalyptic number.

122230223 is a deficient number, since it is larger than the sum of its proper divisors (994753).

122230223 is a wasteful number, since it uses less digits than its factorization.

122230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 122230223 is about 11055.7778107196. Note that the first 3 decimals coincide. The cubic root of 122230223 is about 496.2793461444.

Adding to 122230223 its reverse (322032221), we get a palindrome (444262444).

The spelling of 122230223 in words is "one hundred twenty-two million, two hundred thirty thousand, two hundred twenty-three".

Divisors: 1 251 281 1733 70531 434983 486973 122230223