225146312 has 16 divisors (see below), whose sum is σ = 426502860. Its totient is φ = 111412224.

The previous prime is 225146291. The next prime is 225146329. The reversal of 225146312 is 213641522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 204661636 + 20484676 = 14306^2 + 4526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144293 + ... + 145844.

Almost surely, 2^225146312 is an apocalyptic number.

It is an amenable number.

225146312 is a deficient number, since it is larger than the sum of its proper divisors (201356548).

225146312 is a wasteful number, since it uses less digits than its factorization.

225146312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290240 (or 290236 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 225146312 is about 15004.8762740650. The cubic root of 225146312 is about 608.3520079003.

Adding to 225146312 its reverse (213641522), we get a palindrome (438787834).

The spelling of 225146312 in words is "two hundred twenty-five million, one hundred forty-six thousand, three hundred twelve".