2772247 has 2 divisors, whose sum is σ = 2772248. Its totient is φ = 2772246.

The previous prime is 2772239. The next prime is 2772257. The reversal of 2772247 is 7422772.

2772247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2772247 - 2³ = 2772239 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2772227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386123 + 1386124.

It is an arithmetic number, because the mean of its divisors is an integer number (1386124).

2^2772247 is an apocalyptic number.

2772247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772247 is an equidigital number, since it uses as much as digits as its factorization.

2772247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10976, while the sum is 31.

The square root of 2772247 is about 1665.0066065935. The cubic root of 2772247 is about 140.4787521217.

The spelling of 2772247 in words is "two million, seven hundred seventy-two thousand, two hundred forty-seven".