230220155 has 8 divisors (see below), whose sum is σ = 301379184. Its totient is φ = 167432800.

The previous prime is 230220149. The next prime is 230220203. The reversal of 230220155 is 551022032.

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

It is not a de Polignac number, because 230220155 - 2¹² = 230216059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2092856 + ... + 2092965.

It is an arithmetic number, because the mean of its divisors is an integer number (37672398).

Almost surely, 2^230220155 is an apocalyptic number.

230220155 is a deficient number, since it is larger than the sum of its proper divisors (71159029).

230220155 is a wasteful number, since it uses less digits than its factorization.

230220155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185837.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 230220155 is about 15173.0074474377. The cubic root of 230220155 is about 612.8879940695.

Adding to 230220155 its reverse (551022032), we get a palindrome (781242187).

The spelling of 230220155 in words is "two hundred thirty million, two hundred twenty thousand, one hundred fifty-five".