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230122 = 2115061
BaseRepresentation
bin111000001011101010
3102200200001
4320023222
524330442
64533214
71645624
oct701352
9380601
10230122
11147992
12b120a
1380989
145dc14
15482b7
hex382ea

230122 has 4 divisors (see below), whose sum is σ = 345186. Its totient is φ = 115060.

The previous prime is 230117. The next prime is 230123. The reversal of 230122 is 221032.

230122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 221841 + 8281 = 471^2 + 91^2 .

It is a super-2 number, since 2×2301222 = 105912269768, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 230099 and 230108.

It is not an unprimeable number, because it can be changed into a prime (230123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57529 + ... + 57532.

2230122 is an apocalyptic number.

230122 is a deficient number, since it is larger than the sum of its proper divisors (115064).

230122 is a wasteful number, since it uses less digits than its factorization.

230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115063.

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

The square root of 230122 is about 479.7103292613. The cubic root of 230122 is about 61.2800879524.

Adding to 230122 its reverse (221032), we get a palindrome (451154).

The spelling of 230122 in words is "two hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 115061 230122