2740229 has 4 divisors (see below), whose sum is σ = 2745600. Its totient is φ = 2734860.

The previous prime is 2740223. The next prime is 2740249. The reversal of 2740229 is 9220472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2740229 - 2⁸ = 2739973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2740198 and 2740207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1829 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (686400).

2^2740229 is an apocalyptic number.

It is an amenable number.

2740229 is a deficient number, since it is larger than the sum of its proper divisors (5371).

2740229 is an equidigital number, since it uses as much as digits as its factorization.

2740229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370.

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

The square root of 2740229 is about 1655.3637062591. The cubic root of 2740229 is about 139.9358379459.

The spelling of 2740229 in words is "two million, seven hundred forty thousand, two hundred twenty-nine".