2281429 has 2 divisors, whose sum is σ = 2281430. Its totient is φ = 2281428.

The previous prime is 2281403. The next prime is 2281481. The reversal of 2281429 is 9241822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2102500 + 178929 = 1450^2 + 423^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281429 - 2⁹ = 2280917 is a prime.

It is a Chen prime.

2281429 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2281397 and 2281406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140714 + 1140715.

It is an arithmetic number, because the mean of its divisors is an integer number (1140715).

2^2281429 is an apocalyptic number.

It is an amenable number.

2281429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281429 is an equidigital number, since it uses as much as digits as its factorization.

2281429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 28.

The square root of 2281429 is about 1510.4400021186. The cubic root of 2281429 is about 131.6443787160.

The spelling of 2281429 in words is "two million, two hundred eighty-one thousand, four hundred twenty-nine".