2772227 has 2 divisors, whose sum is σ = 2772228. Its totient is φ = 2772226.

The previous prime is 2772199. The next prime is 2772239. The reversal of 2772227 is 7222772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2772227 - 2⁸ = 2771971 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2772227.

It is not a weakly prime, because it can be changed into another prime (2772247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386113 + 1386114.

It is an arithmetic number, because the mean of its divisors is an integer number (1386114).

2^2772227 is an apocalyptic number.

2772227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772227 is an equidigital number, since it uses as much as digits as its factorization.

2772227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5488, while the sum is 29.

The square root of 2772227 is about 1665.0006006005. Note that the first 3 decimals coincide. The cubic root of 2772227 is about 140.4784142993.

Adding to 2772227 its reverse (7222772), we get a palindrome (9994999).

The spelling of 2772227 in words is "two million, seven hundred seventy-two thousand, two hundred twenty-seven".