225355210 has 8 divisors (see below), whose sum is σ = 405639396. Its totient is φ = 90142080.

The previous prime is 225355157. The next prime is 225355223. The reversal of 225355210 is 12553522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 225210049 + 145161 = 15007^2 + 381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×225355210³ (a number of 26 digits) contains 333 as substring.

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, 11267751 + ... + 11267770.

Almost surely, 2^225355210 is an apocalyptic number.

225355210 is a deficient number, since it is larger than the sum of its proper divisors (180284186).

225355210 is a wasteful number, since it uses less digits than its factorization.

225355210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22535528.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 225355210 is about 15011.8356639020. The cubic root of 225355210 is about 608.5400992690.

The spelling of 225355210 in words is "two hundred twenty-five million, three hundred fifty-five thousand, two hundred ten".