1443222222 has 64 divisors (see below), whose sum is σ = 3270625344. Its totient is φ = 421493760.

The previous prime is 1443222217. The next prime is 1443222233. The reversal of 1443222222 is 2222223441.

1443222222 is a modest number, since divided by 22222 gives 14432 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1443222192 and 1443222201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112228 + ... + 124424.

It is an arithmetic number, because the mean of its divisors is an integer number (51103521).

Almost surely, 2^1443222222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1443222222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635312672).

1443222222 is an abundant number, since it is smaller than the sum of its proper divisors (1827403122).

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

1443222222 is a wasteful number, since it uses less digits than its factorization.

1443222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12293.

The product of its digits is 3072, while the sum is 24.

The square root of 1443222222 is about 37989.7647005085. The cubic root of 1443222222 is about 1130.0848924658.

Adding to 1443222222 its reverse (2222223441), we get a palindrome (3665445663).

The spelling of 1443222222 in words is "one billion, four hundred forty-three million, two hundred twenty-two thousand, two hundred twenty-two".