202230312 has 16 divisors (see below), whose sum is σ = 505575840. Its totient is φ = 67410096.

The previous prime is 202230277. The next prime is 202230313. The reversal of 202230312 is 213032202.

It is a junction number, because it is equal to n+sod(n) for n = 202230291 and 202230300.

It is not an unprimeable number, because it can be changed into a prime (202230313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213108 + ... + 4213155.

It is an arithmetic number, because the mean of its divisors is an integer number (31598490).

Almost surely, 2^202230312 is an apocalyptic number.

It is an amenable number.

202230312 is an abundant number, since it is smaller than the sum of its proper divisors (303345528).

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

202230312 is a wasteful number, since it uses less digits than its factorization.

202230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426272 (or 8426268 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 202230312 is about 14220.7704432636. The cubic root of 202230312 is about 586.9693407752.

Adding to 202230312 its reverse (213032202), we get a palindrome (415262514).

The spelling of 202230312 in words is "two hundred two million, two hundred thirty thousand, three hundred twelve".