4255455221 has 8 divisors (see below), whose sum is σ = 4358241888. Its totient is φ = 4153734000.

The previous prime is 4255455209. The next prime is 4255455223. The reversal of 4255455221 is 1225545524.

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

It is not a de Polignac number, because 4255455221 - 2³⁰ = 3181713397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255455223) 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, 258275 + ... + 274256.

It is an arithmetic number, because the mean of its divisors is an integer number (544780236).

Almost surely, 2^4255455221 is an apocalyptic number.

It is an amenable number.

4255455221 is a deficient number, since it is larger than the sum of its proper divisors (102786667).

4255455221 is a wasteful number, since it uses less digits than its factorization.

4255455221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532723.

The product of its digits is 80000, while the sum is 35.

The square root of 4255455221 is about 65233.8502696261. The cubic root of 4255455221 is about 1620.4986552358.

The spelling of 4255455221 in words is "four billion, two hundred fifty-five million, four hundred fifty-five thousand, two hundred twenty-one".