1044220 has 24 divisors (see below), whose sum is σ = 2217600. Its totient is φ = 412992.

The previous prime is 1044217. The next prime is 1044227. The reversal of 1044220 is 224401.

It is a self number, because there is not a number n which added to its sum of digits gives 1044220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941 + ... + 2419.

It is an arithmetic number, because the mean of its divisors is an integer number (92400).

2^1044220 is an apocalyptic number.

1044220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044220 is an abundant number, since it is smaller than the sum of its proper divisors (1173380).

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

1044220 is a wasteful number, since it uses less digits than its factorization.

1044220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1044220 is about 1021.8708333248. The cubic root of 1044220 is about 101.4527917523.

Adding to 1044220 its reverse (224401), we get a palindrome (1268621).

The spelling of 1044220 in words is "one million, forty-four thousand, two hundred twenty".