2258285 has 4 divisors (see below), whose sum is σ = 2709948. Its totient is φ = 1806624.

The previous prime is 2258279. The next prime is 2258287. The reversal of 2258285 is 5828522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1623076 + 635209 = 1274^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258285 - 2⁸ = 2258029 is a prime.

It is a super-2 number, since 2×2258285² = 10199702282450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225824 + ... + 225833.

It is an arithmetic number, because the mean of its divisors is an integer number (677487).

2^2258285 is an apocalyptic number.

It is an amenable number.

2258285 is a deficient number, since it is larger than the sum of its proper divisors (451663).

2258285 is an equidigital number, since it uses as much as digits as its factorization.

2258285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451662.

The product of its digits is 12800, while the sum is 32.

The square root of 2258285 is about 1502.7591290689. The cubic root of 2258285 is about 131.1977085722.

The spelling of 2258285 in words is "two million, two hundred fifty-eight thousand, two hundred eighty-five".