Search a number
-
+
222057 = 32112243
BaseRepresentation
bin110110001101101001
3102021121100
4312031221
524101212
64432013
71613253
oct661551
9367540
10222057
11141920
12a8609
137a0c4
145acd3
1545bdc
hex36369

222057 has 12 divisors (see below), whose sum is σ = 350064. Its totient is φ = 134520.

The previous prime is 222043. The next prime is 222059. The reversal of 222057 is 750222.

It is a happy number.

It is not a de Polignac number, because 222057 - 24 = 222041 is a prime.

It is a super-2 number, since 2×2220572 = 98618622498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1023 + ... + 1220.

It is an arithmetic number, because the mean of its divisors is an integer number (29172).

2222057 is an apocalyptic number.

It is an amenable number.

222057 is a deficient number, since it is larger than the sum of its proper divisors (128007).

222057 is a wasteful number, since it uses less digits than its factorization.

222057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 222057 is about 471.2292435747. The cubic root of 222057 is about 60.5556712707. Note that the first 3 decimals are identical.

Adding to 222057 its reverse (750222), we get a palindrome (972279).

It can be divided in two parts, 22 and 2057, that multiplied together give a palindrome (45254).

The spelling of 222057 in words is "two hundred twenty-two thousand, fifty-seven".

Divisors: 1 3 9 11 33 99 2243 6729 20187 24673 74019 222057