2171202 has 32 divisors (see below), whose sum is σ = 4817664. Its totient is φ = 646800.

The previous prime is 2171161. The next prime is 2171203. The reversal of 2171202 is 2021712.

It is not an unprimeable number, because it can be changed into a prime (2171203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4177 + ... + 4667.

It is an arithmetic number, because the mean of its divisors is an integer number (150552).

2^2171202 is an apocalyptic number.

2171202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a pronic number, being equal to 1473×1474.

It is a practical number, because each smaller number is the sum of distinct divisors of 2171202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2408832).

2171202 is an abundant number, since it is smaller than the sum of its proper divisors (2646462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2171202 is a wasteful number, since it uses less digits than its factorization.

2171202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 2171202 is about 1473.4999151680. The cubic root of 2171202 is about 129.4891589639.

Adding to 2171202 its reverse (2021712), we get a palindrome (4192914).

The spelling of 2171202 in words is "two million, one hundred seventy-one thousand, two hundred two".