2757229 has 2 divisors, whose sum is σ = 2757230. Its totient is φ = 2757228.

The previous prime is 2757221. The next prime is 2757257. The reversal of 2757229 is 9227572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1988100 + 769129 = 1410^2 + 877^2 .

It is a cyclic number.

It is not a de Polignac number, because 2757229 - 2³ = 2757221 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2757194 and 2757203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2757221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378614 + 1378615.

It is an arithmetic number, because the mean of its divisors is an integer number (1378615).

2^2757229 is an apocalyptic number.

It is an amenable number.

2757229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2757229 is an equidigital number, since it uses as much as digits as its factorization.

2757229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 34.

The square root of 2757229 is about 1660.4905901570. The cubic root of 2757229 is about 140.2246224060.

The spelling of 2757229 in words is "two million, seven hundred fifty-seven thousand, two hundred twenty-nine".