2255435821 has 8 divisors (see below), whose sum is σ = 2434654080. Its totient is φ = 2082980592.

The previous prime is 2255435803. The next prime is 2255435843. The reversal of 2255435821 is 1285345522.

2255435821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2255435821 - 2⁹ = 2255435309 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 (2255432821) 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, 1690065 + ... + 1691398.

It is an arithmetic number, because the mean of its divisors is an integer number (304331760).

Almost surely, 2^2255435821 is an apocalyptic number.

It is an amenable number.

2255435821 is a deficient number, since it is larger than the sum of its proper divisors (179218259).

2255435821 is a wasteful number, since it uses less digits than its factorization.

2255435821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381515.

The product of its digits is 96000, while the sum is 37.

The square root of 2255435821 is about 47491.4289214380. The cubic root of 2255435821 is about 1311.4250988951.

The spelling of 2255435821 in words is "two billion, two hundred fifty-five million, four hundred thirty-five thousand, eight hundred twenty-one".