2772243 has 6 divisors (see below), whose sum is σ = 4004364. Its totient is φ = 1848156.

The previous prime is 2772239. The next prime is 2772247. The reversal of 2772243 is 3422772.

It is an interprime number because it is at equal distance from previous prime (2772239) and next prime (2772247).

It is not a de Polignac number, because 2772243 - 2² = 2772239 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 7² + 7⁶ + 2¹⁹ + 2²¹ + 4⁴ + 3⁴ .

It is not an unprimeable number, because it can be changed into a prime (2772247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154005 + ... + 154022.

It is an arithmetic number, because the mean of its divisors is an integer number (667394).

2^2772243 is an apocalyptic number.

2772243 is a deficient number, since it is larger than the sum of its proper divisors (1232121).

2772243 is a wasteful number, since it uses less digits than its factorization.

2772243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308033 (or 308030 counting only the distinct ones).

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

The square root of 2772243 is about 1665.0054053966. The cubic root of 2772243 is about 140.4786845574.

The spelling of 2772243 in words is "two million, seven hundred seventy-two thousand, two hundred forty-three".