220230555 has 8 divisors (see below), whose sum is σ = 352368912. Its totient is φ = 117456288.

The previous prime is 220230547. The next prime is 220230581. The reversal of 220230555 is 555032022.

220230555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 220230555 - 2³ = 220230547 is a prime.

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, 7341004 + ... + 7341033.

It is an arithmetic number, because the mean of its divisors is an integer number (44046114).

Almost surely, 2^220230555 is an apocalyptic number.

220230555 is a deficient number, since it is larger than the sum of its proper divisors (132138357).

220230555 is a wasteful number, since it uses less digits than its factorization.

220230555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14682045.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 220230555 is about 14840.1669465003. The cubic root of 220230555 is about 603.8918814047.

Adding to 220230555 its reverse (555032022), we get a palindrome (775262577).

The spelling of 220230555 in words is "two hundred twenty million, two hundred thirty thousand, five hundred fifty-five".