4312229 has 2 divisors, whose sum is σ = 4312230. Its totient is φ = 4312228.

The previous prime is 4312223. The next prime is 4312261. The reversal of 4312229 is 9222134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4060225 + 252004 = 2015^2 + 502^2 .

It is a cyclic number.

It is not a de Polignac number, because 4312229 - 2¹² = 4308133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4312223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156114 + 2156115.

It is an arithmetic number, because the mean of its divisors is an integer number (2156115).

Almost surely, 2^4312229 is an apocalyptic number.

It is an amenable number.

4312229 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312229 is an equidigital number, since it uses as much as digits as its factorization.

4312229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 4312229 is about 2076.5907155720. The cubic root of 4312229 is about 162.7673421806.

The spelling of 4312229 in words is "four million, three hundred twelve thousand, two hundred twenty-nine".