219220230 has 32 divisors (see below), whose sum is σ = 526629600. Its totient is φ = 58403072.

The previous prime is 219220201. The next prime is 219220259. The reversal of 219220230 is 32022912.

It is an interprime number because it is at equal distance from previous prime (219220201) and next prime (219220259).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 219220197 and 219220206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35836 + ... + 41504.

It is an arithmetic number, because the mean of its divisors is an integer number (16457175).

Almost surely, 2^219220230 is an apocalyptic number.

219220230 is an abundant number, since it is smaller than the sum of its proper divisors (307409370).

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

219220230 is a wasteful number, since it uses less digits than its factorization.

219220230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 219220230 is about 14806.0875993626. The cubic root of 219220230 is about 602.9669984607.

It can be divided in two parts, 2192 and 20230, that added together give a palindrome (22422).

The spelling of 219220230 in words is "two hundred nineteen million, two hundred twenty thousand, two hundred thirty".