1862225 has 6 divisors (see below), whose sum is σ = 2309190. Its totient is φ = 1489760.
The previous prime is 1862221. The next prime is 1862227. The reversal of 1862225 is 5222681.
It can be written as a sum of positive squares in 3 ways, for example, as 200704 + 1661521 = 448^2 + 1289^2 .
It is not a de Polignac number, because 1862225 - 22 = 1862221 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1862194 and 1862203.
It is not an unprimeable number, because it can be changed into a prime (1862221) 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, 37220 + ... + 37269.
It is an arithmetic number, because the mean of its divisors is an integer number (384865).
21862225 is an apocalyptic number.
It is an amenable number.
1862225 is a deficient number, since it is larger than the sum of its proper divisors (446965).
1862225 is an equidigital number, since it uses as much as digits as its factorization.
1862225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74499 (or 74494 counting only the distinct ones).
The product of its digits is 1920, while the sum is 26.
The square root of 1862225 is about 1364.6336504718. The cubic root of 1862225 is about 123.0299131864.
The spelling of 1862225 in words is "one million, eight hundred sixty-two thousand, two hundred twenty-five".
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