2255555 has 8 divisors (see below), whose sum is σ = 2747472. Its totient is φ = 1777248.

The previous prime is 2255551. The next prime is 2255567. The reversal of 2255555 is 5555522.

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 2255555 - 2² = 2255551 is a prime.

It is a Duffinian number.

2255555 is a modest number, since divided by 5555 gives 225 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2255551) 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, 3032 + ... + 3701.

It is an arithmetic number, because the mean of its divisors is an integer number (343434).

2^2255555 is an apocalyptic number.

2255555 is a deficient number, since it is larger than the sum of its proper divisors (491917).

2255555 is an equidigital number, since it uses as much as digits as its factorization.

2255555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805.

The product of its digits is 12500, while the sum is 29.

The square root of 2255555 is about 1501.8505251855. The cubic root of 2255555 is about 131.1448197399.

The spelling of 2255555 in words is "two million, two hundred fifty-five thousand, five hundred fifty-five".