220630 has 8 divisors (see below), whose sum is σ = 397152. Its totient is φ = 88248.

The previous prime is 220613. The next prime is 220663. The reversal of 220630 is 36022.

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

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 220630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11022 + ... + 11041.

It is an arithmetic number, because the mean of its divisors is an integer number (49644).

2²²⁰⁶³⁰ is an apocalyptic number.

220630 is a deficient number, since it is larger than the sum of its proper divisors (176522).

220630 is a wasteful number, since it uses less digits than its factorization.

220630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22070.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 220630 is about 469.7126781342. The cubic root of 220630 is about 60.4256765530.

Adding to 220630 its reverse (36022), we get a palindrome (256652).

The spelling of 220630 in words is "two hundred twenty thousand, six hundred thirty".