2724229 has 2 divisors, whose sum is σ = 2724230. Its totient is φ = 2724228.

The previous prime is 2724223. The next prime is 2724251. The reversal of 2724229 is 9224272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1896129 + 828100 = 1377^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 2724229 - 2⁹ = 2723717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2724197 and 2724206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2724223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1362114 + 1362115.

It is an arithmetic number, because the mean of its divisors is an integer number (1362115).

2^2724229 is an apocalyptic number.

It is an amenable number.

2724229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2724229 is an equidigital number, since it uses as much as digits as its factorization.

2724229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 2724229 is about 1650.5238562347. The cubic root of 2724229 is about 139.6629476956.

The spelling of 2724229 in words is "two million, seven hundred twenty-four thousand, two hundred twenty-nine".