2289427 has 6 divisors (see below), whose sum is σ = 2663268. Its totient is φ = 1962324.

The previous prime is 2289409. The next prime is 2289431. The reversal of 2289427 is 7249822.

2289427 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2289427 - 2¹⁹ = 1765139 is a prime.

It is a Duffinian number.

2289427 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 2289392 and 2289401.

It is not an unprimeable number, because it can be changed into a prime (2289437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23313 + ... + 23410.

It is an arithmetic number, because the mean of its divisors is an integer number (443878).

2^2289427 is an apocalyptic number.

2289427 is a deficient number, since it is larger than the sum of its proper divisors (373841).

2289427 is an equidigital number, since it uses as much as digits as its factorization.

2289427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46737 (or 46730 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 2289427 is about 1513.0852586685. The cubic root of 2289427 is about 131.7980344230.

The spelling of 2289427 in words is "two million, two hundred eighty-nine thousand, four hundred twenty-seven".