2862223 has 16 divisors (see below), whose sum is σ = 3580416. Its totient is φ = 2227680.

The previous prime is 2862221. The next prime is 2862227. The reversal of 2862223 is 3222682.

It is not a de Polignac number, because 2862223 - 2¹ = 2862221 is a prime.

It is a d-powerful number, because it can be written as 2² + 8³ + 6⁸ + 2⁸ + 2¹⁷ + 2²⁰ + 3⁷ .

2862223 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2862221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6240 + ... + 6682.

It is an arithmetic number, because the mean of its divisors is an integer number (223776).

2^2862223 is an apocalyptic number.

2862223 is a deficient number, since it is larger than the sum of its proper divisors (718193).

2862223 is a wasteful number, since it uses less digits than its factorization.

2862223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its digits is 2304, while the sum is 25.

The square root of 2862223 is about 1691.8105685921. The cubic root of 2862223 is about 141.9823921829.

It can be divided in two parts, 286222 and 3, that added together give a square (286225 = 535²).

The spelling of 2862223 in words is "two million, eight hundred sixty-two thousand, two hundred twenty-three".