2271429 has 8 divisors (see below), whose sum is σ = 3365120. Its totient is φ = 1514268.

The previous prime is 2271427. The next prime is 2271433. The reversal of 2271429 is 9241722.

It is not a de Polignac number, because 2271429 - 2¹ = 2271427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 84127 = 2271429 / (2 + 2 + 7 + 1 + 4 + 2 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42037 + ... + 42090.

It is an arithmetic number, because the mean of its divisors is an integer number (420640).

2^2271429 is an apocalyptic number.

It is an amenable number.

2271429 is a deficient number, since it is larger than the sum of its proper divisors (1093691).

2271429 is an equidigital number, since it uses as much as digits as its factorization.

2271429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84136 (or 84130 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2271429 is about 1507.1260730277. The cubic root of 2271429 is about 131.4517550132.

The spelling of 2271429 in words is "two million, two hundred seventy-one thousand, four hundred twenty-nine".