220434 has 8 divisors (see below), whose sum is σ = 440880. Its totient is φ = 73476.

The previous prime is 220421. The next prime is 220447. The reversal of 220434 is 434022.

It is a happy number.

220434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220421) and next prime (220447).

It is a sphenic number, since it is the product of 3 distinct primes.

220434 is an admirable number.

It is a super-2 number, since 2×220434² = 97182296712, which contains 22 as substring.

It is an unprimeable number.

220434 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18364 + ... + 18375.

It is an arithmetic number, because the mean of its divisors is an integer number (55110).

2²²⁰⁴³⁴ is an apocalyptic number.

220434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220434 is a wasteful number, since it uses less digits than its factorization.

220434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36744.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 220434 is about 469.5039935932. The cubic root of 220434 is about 60.4077778970.

Adding to 220434 its reverse (434022), we get a palindrome (654456).

The spelling of 220434 in words is "two hundred twenty thousand, four hundred thirty-four".