2172216263 has 8 divisors (see below), whose sum is σ = 2482956960. Its totient is φ = 1861581600.

The previous prime is 2172216223. The next prime is 2172216271. The reversal of 2172216263 is 3626122712.

2172216263 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 2172216263 - 2²² = 2168021959 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 (2172216223) 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, 23753 + ... + 70061.

It is an arithmetic number, because the mean of its divisors is an integer number (310369620).

Almost surely, 2^2172216263 is an apocalyptic number.

2172216263 is a deficient number, since it is larger than the sum of its proper divisors (310740697).

2172216263 is an equidigital number, since it uses as much as digits as its factorization.

2172216263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53017.

The product of its digits is 12096, while the sum is 32.

The square root of 2172216263 is about 46607.0409165826. The cubic root of 2172216263 is about 1295.0931916656.

Adding to 2172216263 its reverse (3626122712), we get a palindrome (5798338975).

The spelling of 2172216263 in words is "two billion, one hundred seventy-two million, two hundred sixteen thousand, two hundred sixty-three".