225742276 has 12 divisors (see below), whose sum is σ = 395157420. Its totient is φ = 112840160.

The previous prime is 225742271. The next prime is 225742289. The reversal of 225742276 is 672247522.

225742276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 179828100 + 45914176 = 13410^2 + 6776^2 .

It is not an unprimeable number, because it can be changed into a prime (225742271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18630 + ... + 28258.

It is an arithmetic number, because the mean of its divisors is an integer number (32929785).

Almost surely, 2^225742276 is an apocalyptic number.

It is an amenable number.

225742276 is a deficient number, since it is larger than the sum of its proper divisors (169415144).

225742276 is a wasteful number, since it uses less digits than its factorization.

225742276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15494 (or 15492 counting only the distinct ones).

The product of its digits is 94080, while the sum is 37.

The square root of 225742276 is about 15024.7221604927. The cubic root of 225742276 is about 608.8883057804. Note that the first 3 decimals are identical.

Adding to 225742276 its reverse (672247522), we get a palindrome (897989798).

The spelling of 225742276 in words is "two hundred twenty-five million, seven hundred forty-two thousand, two hundred seventy-six".