2182273 has 8 divisors (see below), whose sum is σ = 2329992. Its totient is φ = 2036736.

The previous prime is 2182259. The next prime is 2182303. The reversal of 2182273 is 3722812.

It can be written as a sum of positive squares in 4 ways, for example, as 199809 + 1982464 = 447^2 + 1408^2 .

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

It is not a de Polignac number, because 2182273 - 2²¹ = 85121 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 1 + 8⁵ + 2¹⁵ + 2²¹ + 7⁵ + 3⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1861 + ... + 2797.

It is an arithmetic number, because the mean of its divisors is an integer number (291249).

2^2182273 is an apocalyptic number.

It is an amenable number.

2182273 is a deficient number, since it is larger than the sum of its proper divisors (147719).

2182273 is a wasteful number, since it uses less digits than its factorization.

2182273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091.

The product of its digits is 1344, while the sum is 25.

The square root of 2182273 is about 1477.2518404118. The cubic root of 2182273 is about 129.7088751626.

It can be divided in two parts, 2182 and 273, that multiplied together give a triangular number (595686 = T₁₀₉₁).

The spelling of 2182273 in words is "two million, one hundred eighty-two thousand, two hundred seventy-three".