225449776 has 20 divisors (see below), whose sum is σ = 441136944. Its totient is φ = 111608000.

The previous prime is 225449771. The next prime is 225449789. The reversal of 225449776 is 677944522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (225449771) 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, 68140 + ... + 71371.

Almost surely, 2^225449776 is an apocalyptic number.

It is an amenable number.

225449776 is a deficient number, since it is larger than the sum of its proper divisors (215687168).

225449776 is a wasteful number, since it uses less digits than its factorization.

225449776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139620 (or 139614 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 225449776 is about 15014.9850482776. The cubic root of 225449776 is about 608.6252080998.

The spelling of 225449776 in words is "two hundred twenty-five million, four hundred forty-nine thousand, seven hundred seventy-six".