2422389 has 4 divisors (see below), whose sum is σ = 3229856. Its totient is φ = 1614924.

The previous prime is 2422369. The next prime is 2422391. The reversal of 2422389 is 9832242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2422389 - 2⁷ = 2422261 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422369) 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, 403729 + ... + 403734.

It is an arithmetic number, because the mean of its divisors is an integer number (807464).

2^2422389 is an apocalyptic number.

It is an amenable number.

2422389 is a deficient number, since it is larger than the sum of its proper divisors (807467).

2422389 is an equidigital number, since it uses as much as digits as its factorization.

2422389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807466.

The product of its digits is 6912, while the sum is 30.

The square root of 2422389 is about 1556.4025828814. The cubic root of 2422389 is about 134.3016335759.

The spelling of 2422389 in words is "two million, four hundred twenty-two thousand, three hundred eighty-nine".