1845022 has 4 divisors (see below), whose sum is σ = 2767536. Its totient is φ = 922510.

The previous prime is 1845017. The next prime is 1845023. The reversal of 1845022 is 2205481.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1844984 and 1845002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1845023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461254 + ... + 461257.

It is an arithmetic number, because the mean of its divisors is an integer number (691884).

2^1845022 is an apocalyptic number.

1845022 is a deficient number, since it is larger than the sum of its proper divisors (922514).

1845022 is an equidigital number, since it uses as much as digits as its factorization.

1845022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922513.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1845022 is about 1358.3158690084. The cubic root of 1845022 is about 122.6498956409.

The spelling of 1845022 in words is "one million, eight hundred forty-five thousand, twenty-two".