2224709 has 2 divisors, whose sum is σ = 2224710. Its totient is φ = 2224708.

The previous prime is 2224687. The next prime is 2224741. The reversal of 2224709 is 9074222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1890625 + 334084 = 1375^2 + 578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2224709 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 (2224009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112354 + 1112355.

It is an arithmetic number, because the mean of its divisors is an integer number (1112355).

2^2224709 is an apocalyptic number.

It is an amenable number.

2224709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224709 is an equidigital number, since it uses as much as digits as its factorization.

2224709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2224709 is about 1491.5458424065. The cubic root of 2224709 is about 130.5442469222.

The spelling of 2224709 in words is "two million, two hundred twenty-four thousand, seven hundred nine".