4205555 has 8 divisors (see below), whose sum is σ = 5312400. Its totient is φ = 3187296.

The previous prime is 4205549. The next prime is 4205569. The reversal of 4205555 is 5555024.

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 4205555 - 2¹² = 4201459 is a prime.

It is an Ulam number.

4205555 is a modest number, since divided by 5555 gives 420 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22040 + ... + 22229.

It is an arithmetic number, because the mean of its divisors is an integer number (664050).

Almost surely, 2^4205555 is an apocalyptic number.

4205555 is a deficient number, since it is larger than the sum of its proper divisors (1106845).

4205555 is a wasteful number, since it uses less digits than its factorization.

4205555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44293.

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 4205555 is about 2050.7449865841. The cubic root of 4205555 is about 161.4139649807.

The spelling of 4205555 in words is "four million, two hundred five thousand, five hundred fifty-five".