225302312 has 32 divisors (see below), whose sum is σ = 433900800. Its totient is φ = 109636800.

The previous prime is 225302291. The next prime is 225302317. The reversal of 225302312 is 213203522.

It is a super-2 number, since 2×225302312² = 101522263585090688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225302317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42362 + ... + 47382.

It is an arithmetic number, because the mean of its divisors is an integer number (13559400).

Almost surely, 2^225302312 is an apocalyptic number.

It is an amenable number.

225302312 is a deficient number, since it is larger than the sum of its proper divisors (208598488).

225302312 is a wasteful number, since it uses less digits than its factorization.

225302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177 (or 5173 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 225302312 is about 15010.0736840297. The cubic root of 225302312 is about 608.4924810026.

Adding to 225302312 its reverse (213203522), we get a palindrome (438505834).

It can be divided in two parts, 22530 and 2312, that added together give a palindrome (24842).

The spelling of 225302312 in words is "two hundred twenty-five million, three hundred two thousand, three hundred twelve".