1822548 has 48 divisors (see below), whose sum is σ = 5237120. Its totient is φ = 480384.

The previous prime is 1822547. The next prime is 1822549. The reversal of 1822548 is 8452281.

It is an interprime number because it is at equal distance from previous prime (1822547) and next prime (1822549).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822547) 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 15 ways as a sum of consecutive naturals, for example, 258 + ... + 1926.

2^1822548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1822548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2618560).

1822548 is an abundant number, since it is smaller than the sum of its proper divisors (3414572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1822548 is a wasteful number, since it uses less digits than its factorization.

1822548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696 (or 1694 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 1822548 is about 1350.0177776607. The cubic root of 1822548 is about 122.1498650999.

The spelling of 1822548 in words is "one million, eight hundred twenty-two thousand, five hundred forty-eight".