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111422 = 255711
BaseRepresentation
bin11011001100111110
312122211202
4123030332
512031142
62215502
7642563
oct331476
9178752
10111422
1176793
1254592
133b93c
142c86a
1523032
hex1b33e

111422 has 4 divisors (see below), whose sum is σ = 167136. Its totient is φ = 55710.

The previous prime is 111409. The next prime is 111427. The reversal of 111422 is 224111.

111422 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224111 = 1713183.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111427) by changing a digit.

111422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 27854 + ... + 27857.

It is an arithmetic number, because the mean of its divisors is an integer number (41784).

2111422 is an apocalyptic number.

111422 is a deficient number, since it is larger than the sum of its proper divisors (55714).

111422 is an equidigital number, since it uses as much as digits as its factorization.

111422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55713.

The product of its digits is 16, while the sum is 11.

The square root of 111422 is about 333.7993409221. The cubic root of 111422 is about 48.1197818596.

Adding to 111422 its reverse (224111), we get a palindrome (335533).

The spelling of 111422 in words is "one hundred eleven thousand, four hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 55711 111422