Search a number
-
+
242222 = 2281431
BaseRepresentation
bin111011001000101110
3110022021012
4323020232
530222342
65105222
72026121
oct731056
9408235
10242222
11155a92
12b8212
1386336
14643b8
154bb82
hex3b22e

242222 has 8 divisors (see below), whose sum is σ = 365472. Its totient is φ = 120400.

The previous prime is 242201. The next prime is 242227. The reversal of 242222 is 222242.

242222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

242222 is a modest number, since divided by 2222 gives 24 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 242197 and 242206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347 + ... + 777.

It is an arithmetic number, because the mean of its divisors is an integer number (45684).

2242222 is an apocalyptic number.

242222 is a deficient number, since it is larger than the sum of its proper divisors (123250).

242222 is a wasteful number, since it uses less digits than its factorization.

242222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its digits is 128, while the sum is 14.

The square root of 242222 is about 492.1605429126. The cubic root of 242222 is about 62.3358465692.

Adding to 242222 its reverse (222242), we get a palindrome (464464).

It can be divided in two parts, 242 and 222, that added together give a palindrome (464).

The spelling of 242222 in words is "two hundred forty-two thousand, two hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 281 431 562 862 121111 242222