225133210 has 16 divisors (see below), whose sum is σ = 429077736. Its totient is φ = 84755968.

The previous prime is 225133171. The next prime is 225133229. The reversal of 225133210 is 12331522.

225133210 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 156525121 + 68608089 = 12511^2 + 8283^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661987 + ... + 662326.

Almost surely, 2^225133210 is an apocalyptic number.

225133210 is a deficient number, since it is larger than the sum of its proper divisors (203944526).

225133210 is a wasteful number, since it uses less digits than its factorization.

225133210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324337.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 225133210 is about 15004.4396763091. The cubic root of 225133210 is about 608.3402070073.

Adding to 225133210 its reverse (12331522), we get a palindrome (237464732).

The spelling of 225133210 in words is "two hundred twenty-five million, one hundred thirty-three thousand, two hundred ten".