2165274 has 12 divisors (see below), whose sum is σ = 4691466. Its totient is φ = 721752.

The previous prime is 2165249. The next prime is 2165291. The reversal of 2165274 is 4725612.

2165274 is a `hidden beast` number, since 2 + 1 + 652 + 7 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1580049 + 585225 = 1257^2 + 765^2 .

It is a super-2 number, since 2×2165274² = 9376822990152, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60129 + ... + 60164.

2^2165274 is an apocalyptic number.

2165274 is an abundant number, since it is smaller than the sum of its proper divisors (2526192).

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

2165274 is a wasteful number, since it uses less digits than its factorization.

2165274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120301 (or 120298 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2165274 is about 1471.4870030007. The cubic root of 2165274 is about 129.3712041174.

The spelling of 2165274 in words is "two million, one hundred sixty-five thousand, two hundred seventy-four".