2171552 has 24 divisors (see below), whose sum is σ = 4334400. Its totient is φ = 1070784.

The previous prime is 2171551. The next prime is 2171557. The reversal of 2171552 is 2551712.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2171551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099 + ... + 2957.

It is an arithmetic number, because the mean of its divisors is an integer number (180600).

2^2171552 is an apocalyptic number.

It is an amenable number.

2171552 is a deficient number, since it is larger than the sum of its proper divisors (2162848).

2171552 is an equidigital number, since it uses as much as digits as its factorization.

2171552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 940 counting only the distinct ones).

The product of its digits is 700, while the sum is 23.

The square root of 2171552 is about 1473.6186752345. The cubic root of 2171552 is about 129.4961165187.

The spelling of 2171552 in words is "two million, one hundred seventy-one thousand, five hundred fifty-two".