5571222823 has 2 divisors, whose sum is σ = 5571222824. Its totient is φ = 5571222822.

The previous prime is 5571222809. The next prime is 5571222827. The reversal of 5571222823 is 3282221755.

5571222823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5571222823 - 2⁵ = 5571222791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5571222827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785611411 + 2785611412.

It is an arithmetic number, because the mean of its divisors is an integer number (2785611412).

Almost surely, 2^5571222823 is an apocalyptic number.

5571222823 is a deficient number, since it is larger than the sum of its proper divisors (1).

5571222823 is an equidigital number, since it uses as much as digits as its factorization.

5571222823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 37.

The square root of 5571222823 is about 74640.6244815784. The cubic root of 5571222823 is about 1772.7609482904.

The spelling of 5571222823 in words is "five billion, five hundred seventy-one million, two hundred twenty-two thousand, eight hundred twenty-three".