221034 has 32 divisors (see below), whose sum is σ = 513216. Its totient is φ = 62720.

The previous prime is 221021. The next prime is 221047. The reversal of 221034 is 430122.

It is an interprime number because it is at equal distance from previous prime (221021) and next prime (221047).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1024 + ... + 1220.

It is an arithmetic number, because the mean of its divisors is an integer number (16038).

2²²¹⁰³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256608).

221034 is an abundant number, since it is smaller than the sum of its proper divisors (292182).

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

221034 is a wasteful number, since it uses less digits than its factorization.

221034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 221034 is about 470.1425315795. The cubic root of 221034 is about 60.4625362850.

Adding to 221034 its reverse (430122), we get a palindrome (651156).

The spelling of 221034 in words is "two hundred twenty-one thousand, thirty-four".