221334 has 16 divisors (see below), whose sum is σ = 455088. Its totient is φ = 71712.

The previous prime is 221327. The next prime is 221393. The reversal of 221334 is 433122.

221334 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277 + ... + 720.

It is an arithmetic number, because the mean of its divisors is an integer number (28443).

2²²¹³³⁴ is an apocalyptic number.

221334 is an abundant number, since it is smaller than the sum of its proper divisors (233754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221334 is a wasteful number, since it uses less digits than its factorization.

221334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039.

The product of its digits is 144, while the sum is 15.

The square root of 221334 is about 470.4614755748. The cubic root of 221334 is about 60.4898783240.

Adding to 221334 its reverse (433122), we get a palindrome (654456).

It can be divided in two parts, 221 and 334, that added together give a palindrome (555).

The spelling of 221334 in words is "two hundred twenty-one thousand, three hundred thirty-four".