2281427 has 4 divisors (see below), whose sum is σ = 2330016. Its totient is φ = 2232840.

The previous prime is 2281403. The next prime is 2281429. The reversal of 2281427 is 7241822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2281427 - 2¹⁰ = 2280403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2281396 and 2281405.

It is not an unprimeable number, because it can be changed into a prime (2281429) 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 in 3 ways as a sum of consecutive naturals, for example, 24224 + ... + 24317.

It is an arithmetic number, because the mean of its divisors is an integer number (582504).

2^2281427 is an apocalyptic number.

2281427 is a deficient number, since it is larger than the sum of its proper divisors (48589).

2281427 is an equidigital number, since it uses as much as digits as its factorization.

2281427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48588.

The product of its digits is 1792, while the sum is 26.

The square root of 2281427 is about 1510.4393400597. The cubic root of 2281427 is about 131.6443402476.

The spelling of 2281427 in words is "two million, two hundred eighty-one thousand, four hundred twenty-seven".