4823678221 has 4 divisors (see below), whose sum is σ = 4825015452. Its totient is φ = 4822340992.

The previous prime is 4823678183. The next prime is 4823678263. The reversal of 4823678221 is 1228763284.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 299636100 + 4524042121 = 17310^2 + 67261^2 .

It is a cyclic number.

It is not a de Polignac number, because 4823678221 - 2¹⁷ = 4823547149 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 (4823672221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663190 + ... + 670423.

It is an arithmetic number, because the mean of its divisors is an integer number (1206253863).

Almost surely, 2^4823678221 is an apocalyptic number.

It is an amenable number.

4823678221 is a deficient number, since it is larger than the sum of its proper divisors (1337231).

4823678221 is a wasteful number, since it uses less digits than its factorization.

4823678221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337230.

The product of its digits is 258048, while the sum is 43.

The square root of 4823678221 is about 69452.7049221267. The cubic root of 4823678221 is about 1689.6345300535.

The spelling of 4823678221 in words is "four billion, eight hundred twenty-three million, six hundred seventy-eight thousand, two hundred twenty-one".