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222442 = 21110111
BaseRepresentation
bin110110010011101010
3102022010121
4312103222
524104232
64433454
71614343
oct662352
9368117
10222442
11142140
12a888a
137a32c
145b0ca
1545d97
hex364ea

222442 has 8 divisors (see below), whose sum is σ = 364032. Its totient is φ = 101100.

The previous prime is 222437. The next prime is 222461. The reversal of 222442 is 244222.

222442 is nontrivially palindromic in base 12.

222442 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 unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5034 + ... + 5077.

It is an arithmetic number, because the mean of its divisors is an integer number (45504).

2222442 is an apocalyptic number.

222442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222442 is a deficient number, since it is larger than the sum of its proper divisors (141590).

222442 is a wasteful number, since it uses less digits than its factorization.

222442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10124.

The product of its digits is 256, while the sum is 16.

The square root of 222442 is about 471.6375727187. The cubic root of 222442 is about 60.5906479848.

Adding to 222442 its reverse (244222), we get a palindrome (466664).

The spelling of 222442 in words is "two hundred twenty-two thousand, four hundred forty-two", and thus it is an iban number.

Divisors: 1 2 11 22 10111 20222 111221 222442