2152223471 has 2 divisors, whose sum is σ = 2152223472. Its totient is φ = 2152223470.

The previous prime is 2152223383. The next prime is 2152223501. The reversal of 2152223471 is 1743222512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2152223471 - 2¹⁴ = 2152207087 is a prime.

It is a super-3 number, since 3×2152223471³ (a number of 29 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152223971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076111735 + 1076111736.

It is an arithmetic number, because the mean of its divisors is an integer number (1076111736).

Almost surely, 2^2152223471 is an apocalyptic number.

2152223471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152223471 is an equidigital number, since it uses as much as digits as its factorization.

2152223471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 2152223471 is about 46392.0625861795. The cubic root of 2152223471 is about 1291.1076500975.

Adding to 2152223471 its reverse (1743222512), we get a palindrome (3895445983).

The spelling of 2152223471 in words is "two billion, one hundred fifty-two million, two hundred twenty-three thousand, four hundred seventy-one".