1443222 has 48 divisors (see below), whose sum is σ = 3521232. Its totient is φ = 423360.

The previous prime is 1443203. The next prime is 1443223. The reversal of 1443222 is 2223441.

1443222 is a `hidden beast` number, since 1 + 443 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1443195 and 1443204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7228 + ... + 7424.

It is an arithmetic number, because the mean of its divisors is an integer number (73359).

2^1443222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1443222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1760616).

1443222 is an abundant number, since it is smaller than the sum of its proper divisors (2078010).

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

1443222 is a wasteful number, since it uses less digits than its factorization.

1443222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 250 counting only the distinct ones).

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

The square root of 1443222 is about 1201.3417498780. The cubic root of 1443222 is about 113.0084834522.

Adding to 1443222 its reverse (2223441), we get a palindrome (3666663).

The spelling of 1443222 in words is "one million, four hundred forty-three thousand, two hundred twenty-two".