215430202232230 has 64 divisors (see below), whose sum is σ = 432846930788352. Its totient is φ = 76816970565120.

The previous prime is 215430202232171. The next prime is 215430202232233. The reversal of 215430202232230 is 32232202034512.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 215430202232192 and 215430202232201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215430202232233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434630994 + ... + 435126373.

It is an arithmetic number, because the mean of its divisors is an integer number (6763233293568).

Almost surely, 2^{215430202232230} is an apocalyptic number.

215430202232230 is an abundant number, since it is smaller than the sum of its proper divisors (217416728556122).

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

215430202232230 is a wasteful number, since it uses less digits than its factorization.

215430202232230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869757469.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 215430202232230 its reverse (32232202034512), we get a palindrome (247662404266742).

The spelling of 215430202232230 in words is "two hundred fifteen trillion, four hundred thirty billion, two hundred two million, two hundred thirty-two thousand, two hundred thirty".