2255245 has 8 divisors (see below), whose sum is σ = 2719584. Its totient is φ = 1795344.

The previous prime is 2255233. The next prime is 2255249. The reversal of 2255245 is 5425522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2255245 - 2¹³ = 2247053 is a prime.

It is a super-2 number, since 2×2255245² = 10172260020050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142 + ... + 2128.

It is an arithmetic number, because the mean of its divisors is an integer number (339948).

2^2255245 is an apocalyptic number.

It is an amenable number.

2255245 is a deficient number, since it is larger than the sum of its proper divisors (464339).

2255245 is a wasteful number, since it uses less digits than its factorization.

2255245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219.

The product of its digits is 4000, while the sum is 25.

The square root of 2255245 is about 1501.7473156294. The cubic root of 2255245 is about 131.1388113507.

It can be divided in two parts, 2255 and 245, that added together give a square (2500 = 50²).

The spelling of 2255245 in words is "two million, two hundred fifty-five thousand, two hundred forty-five".