Search a number
-
+
222229 = 753599
BaseRepresentation
bin110110010000010101
3102021211201
4312100111
524102404
64432501
71613620
oct662025
9367751
10222229
11141a67
12a8731
137a1c7
145adb7
1545ca4
hex36415

222229 has 8 divisors (see below), whose sum is σ = 259200. Its totient is φ = 186576.

The previous prime is 222199. The next prime is 222247. The reversal of 222229 is 922222.

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 222229 - 25 = 222197 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222269) 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, 72 + ... + 670.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2222229 is an apocalyptic number.

It is an amenable number.

222229 is a deficient number, since it is larger than the sum of its proper divisors (36971).

222229 is an equidigital number, since it uses as much as digits as its factorization.

222229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659.

The product of its digits is 288, while the sum is 19.

The square root of 222229 is about 471.4117096552. The cubic root of 222229 is about 60.5713022235.

The spelling of 222229 in words is "two hundred twenty-two thousand, two hundred twenty-nine".

Divisors: 1 7 53 371 599 4193 31747 222229