2171224533 has 8 divisors (see below), whose sum is σ = 2895208096. Its totient is φ = 1447362000.

The previous prime is 2171224511. The next prime is 2171224543. The reversal of 2171224533 is 3354221712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2171224533 - 2¹⁷ = 2171093461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2171224533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171224543) 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 in 7 ways as a sum of consecutive naturals, for example, 27183 + ... + 71283.

It is an arithmetic number, because the mean of its divisors is an integer number (361901012).

Almost surely, 2^2171224533 is an apocalyptic number.

It is an amenable number.

2171224533 is a deficient number, since it is larger than the sum of its proper divisors (723983563).

2171224533 is a wasteful number, since it uses less digits than its factorization.

2171224533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60515.

The product of its digits is 10080, while the sum is 30.

The square root of 2171224533 is about 46596.4004296469. The cubic root of 2171224533 is about 1294.8960691377.

The spelling of 2171224533 in words is "two billion, one hundred seventy-one million, two hundred twenty-four thousand, five hundred thirty-three".