4823672221 has 2 divisors, whose sum is σ = 4823672222. Its totient is φ = 4823672220.

The previous prime is 4823672219. The next prime is 4823672233. The reversal of 4823672221 is 1222763284.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4767212025 + 56460196 = 69045^2 + 7514^2 .

It is a cyclic number.

It is not a de Polignac number, because 4823672221 - 2¹ = 4823672219 is a prime.

Together with 4823672219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4823672201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2411836110 + 2411836111.

It is an arithmetic number, because the mean of its divisors is an integer number (2411836111).

Almost surely, 2^4823672221 is an apocalyptic number.

It is an amenable number.

4823672221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4823672221 is an equidigital number, since it uses as much as digits as its factorization.

4823672221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 4823672221 is about 69452.6617272513. The cubic root of 4823672221 is about 1689.6338294947.

The spelling of 4823672221 in words is "four billion, eight hundred twenty-three million, six hundred seventy-two thousand, two hundred twenty-one".