2255001 has 16 divisors (see below), whose sum is σ = 3462144. Its totient is φ = 1278864.

The previous prime is 2254969. The next prime is 2255003. The reversal of 2255001 is 1005522.

It is not a de Polignac number, because 2255001 - 2⁵ = 2254969 is a prime.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2255003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3186 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (216384).

2^2255001 is an apocalyptic number.

2255001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2255001 is a deficient number, since it is larger than the sum of its proper divisors (1207143).

2255001 is a wasteful number, since it uses less digits than its factorization.

2255001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 2255001 is about 1501.6660747317. Note that the first 3 decimals coincide. The cubic root of 2255001 is about 131.1340817797.

The spelling of 2255001 in words is "two million, two hundred fifty-five thousand, one".