2166274 has 8 divisors (see below), whose sum is σ = 3544848. Its totient is φ = 984660.

The previous prime is 2166251. The next prime is 2166289. The reversal of 2166274 is 4726612.

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

It is a d-powerful number, because it can be written as 2¹³ + 1 + 6⁵ + 6⁶ + 2²¹ + 7⁴ + 4⁶ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49212 + ... + 49255.

It is an arithmetic number, because the mean of its divisors is an integer number (443106).

2^2166274 is an apocalyptic number.

2166274 is a deficient number, since it is larger than the sum of its proper divisors (1378574).

2166274 is a wasteful number, since it uses less digits than its factorization.

2166274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98480.

The product of its digits is 4032, while the sum is 28.

The square root of 2166274 is about 1471.8267561096. The cubic root of 2166274 is about 129.3911171158.

It can be divided in two parts, 21662 and 74, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 2166274 in words is "two million, one hundred sixty-six thousand, two hundred seventy-four".