10219225 has 6 divisors (see below), whose sum is σ = 12671870. Its totient is φ = 8175360.

The previous prime is 10219219. The next prime is 10219229. The reversal of 10219225 is 52291201.

It can be written as a sum of positive squares in 3 ways, for example, as 1201216 + 9018009 = 1096^2 + 3003^2 .

It is not a de Polignac number, because 10219225 - 2³ = 10219217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10219196 and 10219205.

It is not an unprimeable number, because it can be changed into a prime (10219229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204360 + ... + 204409.

Almost surely, 2^10219225 is an apocalyptic number.

It is an amenable number.

10219225 is a deficient number, since it is larger than the sum of its proper divisors (2452645).

10219225 is an equidigital number, since it uses as much as digits as its factorization.

10219225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408779 (or 408774 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 10219225 is about 3196.7522581520. The cubic root of 10219225 is about 217.0064556681.

The spelling of 10219225 in words is "ten million, two hundred nineteen thousand, two hundred twenty-five".