2205555 has 16 divisors (see below), whose sum is σ = 3849984. Its totient is φ = 1069280.

The previous prime is 2205551. The next prime is 2205587. The reversal of 2205555 is 5555022.

It is not a de Polignac number, because 2205555 - 2² = 2205551 is a prime.

2205555 is a modest number, since divided by 5555 gives 220 as remainder.

2205555 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2205551) 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, 6519 + ... + 6848.

It is an arithmetic number, because the mean of its divisors is an integer number (240624).

2^2205555 is an apocalyptic number.

2205555 is a deficient number, since it is larger than the sum of its proper divisors (1644429).

2205555 is a wasteful number, since it uses less digits than its factorization.

2205555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13386.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 2205555 is about 1485.1111069546. Note that the first 4 decimals coincide. The cubic root of 2205555 is about 130.1685191267.

It can be divided in two parts, 220 and 5555, that added together give a palindrome (5775).

The spelling of 2205555 in words is "two million, two hundred five thousand, five hundred fifty-five".