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222141 = 374047
BaseRepresentation
bin110110001110111101
3102021201110
4312032331
524102031
64432233
71613433
oct661675
9367643
10222141
11141997
12a8679
137a15a
145ad53
1545c46
hex363bd

222141 has 4 divisors (see below), whose sum is σ = 296192. Its totient is φ = 148092.

The previous prime is 222137. The next prime is 222149. The reversal of 222141 is 141222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222141 - 22 = 222137 is a prime.

It is a D-number.

It is a Duffinian number.

222141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222149) 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, 37021 + ... + 37026.

It is an arithmetic number, because the mean of its divisors is an integer number (74048).

2222141 is an apocalyptic number.

It is an amenable number.

222141 is a deficient number, since it is larger than the sum of its proper divisors (74051).

222141 is an equidigital number, since it uses as much as digits as its factorization.

222141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74050.

The product of its digits is 32, while the sum is 12.

The square root of 222141 is about 471.3183637415. The cubic root of 222141 is about 60.5633059999.

Adding to 222141 its reverse (141222), we get a palindrome (363363).

It can be divided in two parts, 222 and 141, that added together give a palindrome (363).

The spelling of 222141 in words is "two hundred twenty-two thousand, one hundred forty-one", and thus it is an iban number.

Divisors: 1 3 74047 222141