1822544 has 10 divisors (see below), whose sum is σ = 3531210. Its totient is φ = 911264.

The previous prime is 1822529. The next prime is 1822547. The reversal of 1822544 is 4452281.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 976144 + 846400 = 988^2 + 920^2 .

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 polite number, since it can be written as a sum of consecutive naturals, namely, 56939 + ... + 56970.

It is an arithmetic number, because the mean of its divisors is an integer number (353121).

2^1822544 is an apocalyptic number.

It is an amenable number.

1822544 is a deficient number, since it is larger than the sum of its proper divisors (1708666).

1822544 is a wasteful number, since it uses less digits than its factorization.

1822544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113917 (or 113911 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 1822544 is about 1350.0162961979. The cubic root of 1822544 is about 122.1497757378.

The spelling of 1822544 in words is "one million, eight hundred twenty-two thousand, five hundred forty-four".