1522044 has 48 divisors (see below), whose sum is σ = 4183200. Its totient is φ = 476928.

The previous prime is 1522021. The next prime is 1522049. The reversal of 1522044 is 4402251.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522049) 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, 1422 + ... + 2250.

It is an arithmetic number, because the mean of its divisors is an integer number (87150).

2^1522044 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 1522044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2091600).

1522044 is an abundant number, since it is smaller than the sum of its proper divisors (2661156).

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

1522044 is a wasteful number, since it uses less digits than its factorization.

1522044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 851 counting only the distinct ones).

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

The square root of 1522044 is about 1233.7114735626. The cubic root of 1522044 is about 115.0294568523.

Adding to 1522044 its reverse (4402251), we get a palindrome (5924295).

The spelling of 1522044 in words is "one million, five hundred twenty-two thousand, forty-four".