2747223 has 8 divisors (see below), whose sum is σ = 4070000. Its totient is φ = 1831464.

The previous prime is 2747221. The next prime is 2747231. The reversal of 2747223 is 3227472.

It is not a de Polignac number, because 2747223 - 2¹ = 2747221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 101749 = 2747223 / (2 + 7 + 4 + 7 + 2 + 2 + 3).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁹ + 7³ + 4⁸ + 7³ + 2¹⁹ + 2²¹ + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2747221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50848 + ... + 50901.

It is an arithmetic number, because the mean of its divisors is an integer number (508750).

2^2747223 is an apocalyptic number.

2747223 is a deficient number, since it is larger than the sum of its proper divisors (1322777).

2747223 is a wasteful number, since it uses less digits than its factorization.

2747223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101758 (or 101752 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 2747223 is about 1657.4748866876. The cubic root of 2747223 is about 140.0547914788.

Subtracting 2747223 from its reverse (3227472), we obtain a square (480249 = 693²).

It can be divided in two parts, 27472 and 23, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 2747223 in words is "two million, seven hundred forty-seven thousand, two hundred twenty-three".