1244322 has 20 divisors (see below), whose sum is σ = 2788566. Its totient is φ = 414720.

The previous prime is 1244293. The next prime is 1244333. The reversal of 1244322 is 2234421.

It can be written as a sum of positive squares in only one way, i.e., 962361 + 281961 = 981^2 + 531^2 .

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1244295 and 1244304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3679 + ... + 4002.

2^1244322 is an apocalyptic number.

1244322 is an abundant number, since it is smaller than the sum of its proper divisors (1544244).

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

1244322 is an equidigital number, since it uses as much as digits as its factorization.

1244322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695 (or 7686 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 1244322 is about 1115.4918197817. The cubic root of 1244322 is about 107.5583818447.

Adding to 1244322 its reverse (2234421), we get a palindrome (3478743).

Subtracting 1244322 from its reverse (2234421), we obtain a palindrome (990099).

The spelling of 1244322 in words is "one million, two hundred forty-four thousand, three hundred twenty-two".