2166252 has 24 divisors (see below), whose sum is σ = 5514432. Its totient is φ = 656400.

The previous prime is 2166251. The next prime is 2166289. The reversal of 2166252 is 2526612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166251) 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, 8074 + ... + 8337.

It is an arithmetic number, because the mean of its divisors is an integer number (229768).

2^2166252 is an apocalyptic number.

2166252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2166252 is an abundant number, since it is smaller than the sum of its proper divisors (3348180).

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

2166252 is a wasteful number, since it uses less digits than its factorization.

2166252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16429 (or 16427 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 2166252 is about 1471.8192823849. The cubic root of 2166252 is about 129.3906790958.

The spelling of 2166252 in words is "two million, one hundred sixty-six thousand, two hundred fifty-two".