1022544 has 60 divisors (see below), whose sum is σ = 2978976. Its totient is φ = 339552.

The previous prime is 1022531. The next prime is 1022573. The reversal of 1022544 is 4452201.

1022544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3757 + ... + 4019.

2^1022544 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 1022544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1489488).

1022544 is an abundant number, since it is smaller than the sum of its proper divisors (1956432).

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

1022544 is an equidigital number, since it uses as much as digits as its factorization.

1022544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1022544 is about 1011.2091771735. The cubic root of 1022544 is about 100.7458893253.

Adding to 1022544 its reverse (4452201), we get a palindrome (5474745).

The spelling of 1022544 in words is "one million, twenty-two thousand, five hundred forty-four".