670225 has 24 divisors (see below), whose sum is σ = 937440. Its totient is φ = 472320.

The previous prime is 670223. The next prime is 670231. The reversal of 670225 is 522076.

It is not a de Polignac number, because 670225 - 2¹ = 670223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670196 and 670205.

It is not an unprimeable number, because it can be changed into a prime (670223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8034 + ... + 8116.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2⁶⁷⁰²²⁵ is an apocalyptic number.

It is an amenable number.

670225 is a deficient number, since it is larger than the sum of its proper divisors (267215).

670225 is a wasteful number, since it uses less digits than its factorization.

670225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 670225 is about 818.6727062752. The cubic root of 670225 is about 87.5131952889.

The spelling of 670225 in words is "six hundred seventy thousand, two hundred twenty-five".