1822345 has 8 divisors (see below), whose sum is σ = 2499264. Its totient is φ = 1249584.

The previous prime is 1822321. The next prime is 1822367. The reversal of 1822345 is 5432281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1822345 - 2⁷ = 1822217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25999 + ... + 26068.

It is an arithmetic number, because the mean of its divisors is an integer number (312408).

2^1822345 is an apocalyptic number.

It is an amenable number.

1822345 is a deficient number, since it is larger than the sum of its proper divisors (676919).

1822345 is an equidigital number, since it uses as much as digits as its factorization.

1822345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52079.

The product of its digits is 1920, while the sum is 25.

The square root of 1822345 is about 1349.9425913719. The cubic root of 1822345 is about 122.1453298113.

The spelling of 1822345 in words is "one million, eight hundred twenty-two thousand, three hundred forty-five".