994225 has 6 divisors (see below), whose sum is σ = 1232870. Its totient is φ = 795360.

The previous prime is 994199. The next prime is 994229. The reversal of 994225 is 522499.

It can be written as a sum of positive squares in 3 ways, for example, as 2209 + 992016 = 47^2 + 996^2 .

It is not a de Polignac number, because 994225 - 2⁵ = 994193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (994229) 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, 19860 + ... + 19909.

2⁹⁹⁴²²⁵ is an apocalyptic number.

It is an amenable number.

994225 is a deficient number, since it is larger than the sum of its proper divisors (238645).

994225 is a wasteful number, since it uses less digits than its factorization.

994225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39779 (or 39774 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 994225 is about 997.1083190908. The cubic root of 994225 is about 99.8071282440.

The spelling of 994225 in words is "nine hundred ninety-four thousand, two hundred twenty-five".