225651298 has 12 divisors (see below), whose sum is σ = 353834838. Its totient is φ = 107919680.

The previous prime is 225651289. The next prime is 225651301. The reversal of 225651298 is 892156522.

225651298 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 only one way, i.e., 132779529 + 92871769 = 11523^2 + 9637^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225651298.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105583 + ... + 107698.

Almost surely, 2^225651298 is an apocalyptic number.

225651298 is a deficient number, since it is larger than the sum of its proper divisors (128183540).

225651298 is a wasteful number, since it uses less digits than its factorization.

225651298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213329 (or 213306 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 225651298 is about 15021.6942453240. The cubic root of 225651298 is about 608.8064973207.

The spelling of 225651298 in words is "two hundred twenty-five million, six hundred fifty-one thousand, two hundred ninety-eight".