220534 has 8 divisors (see below), whose sum is σ = 341568. Its totient is φ = 106680.

The previous prime is 220529. The next prime is 220537. The reversal of 220534 is 435022.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1717 + ... + 1840.

It is an arithmetic number, because the mean of its divisors is an integer number (42696).

2²²⁰⁵³⁴ is an apocalyptic number.

220534 is a deficient number, since it is larger than the sum of its proper divisors (121034).

220534 is a wasteful number, since it uses less digits than its factorization.

220534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 220534 is about 469.6104768848. The cubic root of 220534 is about 60.4169111894.

Adding to 220534 its reverse (435022), we get a palindrome (655556).

The spelling of 220534 in words is "two hundred twenty thousand, five hundred thirty-four".