Search a number
-
+
222844 = 2255711
BaseRepresentation
bin110110011001111100
3102022200111
4312121330
524112334
64435404
71615456
oct663174
9368614
10222844
11142476
12a8b64
137a57b
145b2d6
1546064
hex3667c

222844 has 6 divisors (see below), whose sum is σ = 389984. Its totient is φ = 111420.

The previous prime is 222841. The next prime is 222857. The reversal of 222844 is 448222.

222844 is nontrivially palindromic in base 15.

222844 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27852 + ... + 27859.

2222844 is an apocalyptic number.

It is an amenable number.

222844 is a deficient number, since it is larger than the sum of its proper divisors (167140).

222844 is a wasteful number, since it uses less digits than its factorization.

222844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55715 (or 55713 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 222844 is about 472.0635550432. The cubic root of 222844 is about 60.6271260812.

The spelling of 222844 in words is "two hundred twenty-two thousand, eight hundred forty-four".

Divisors: 1 2 4 55711 111422 222844