2751223 has 4 divisors (see below), whose sum is σ = 2818368. Its totient is φ = 2684080.

The previous prime is 2751193. The next prime is 2751241. The reversal of 2751223 is 3221572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2751223 - 2¹³ = 2743031 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2751194 and 2751203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2751253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33511 + ... + 33592.

It is an arithmetic number, because the mean of its divisors is an integer number (704592).

2^2751223 is an apocalyptic number.

2751223 is a deficient number, since it is larger than the sum of its proper divisors (67145).

2751223 is an equidigital number, since it uses as much as digits as its factorization.

2751223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67144.

The product of its digits is 840, while the sum is 22.

The square root of 2751223 is about 1658.6811025631. The cubic root of 2751223 is about 140.1227325098.

Adding to 2751223 its reverse (3221572), we get a palindrome (5972795).

The spelling of 2751223 in words is "two million, seven hundred fifty-one thousand, two hundred twenty-three".