2227739 has 2 divisors, whose sum is σ = 2227740. Its totient is φ = 2227738.

The previous prime is 2227727. The next prime is 2227747. The reversal of 2227739 is 9377222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2227739 - 2⁴ = 2227723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2227789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113869 + 1113870.

It is an arithmetic number, because the mean of its divisors is an integer number (1113870).

2^2227739 is an apocalyptic number.

2227739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227739 is an equidigital number, since it uses as much as digits as its factorization.

2227739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 32.

The square root of 2227739 is about 1492.5612215249. The cubic root of 2227739 is about 130.6034860748.

The spelling of 2227739 in words is "two million, two hundred twenty-seven thousand, seven hundred thirty-nine".