225281276 has 12 divisors (see below), whose sum is σ = 430082520. Its totient is φ = 102400560.

The previous prime is 225281261. The next prime is 225281299. The reversal of 225281276 is 672182522.

It is a congruent number.

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, 2559971 + ... + 2560058.

It is an arithmetic number, because the mean of its divisors is an integer number (35840210).

Almost surely, 2^225281276 is an apocalyptic number.

It is an amenable number.

225281276 is a deficient number, since it is larger than the sum of its proper divisors (204801244).

225281276 is a wasteful number, since it uses less digits than its factorization.

225281276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120044 (or 5120042 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 225281276 is about 15009.3729382676. The cubic root of 225281276 is about 608.4735425282.

The spelling of 225281276 in words is "two hundred twenty-five million, two hundred eighty-one thousand, two hundred seventy-six".