1444440222 has 16 divisors (see below), whose sum is σ = 3209867280. Its totient is φ = 481480056.

The previous prime is 1444440169. The next prime is 1444440223. The reversal of 1444440222 is 2220444441.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444440223) 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, 13374393 + ... + 13374500.

It is an arithmetic number, because the mean of its divisors is an integer number (200616705).

Almost surely, 2^1444440222 is an apocalyptic number.

1444440222 is an abundant number, since it is smaller than the sum of its proper divisors (1765427058).

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

1444440222 is a wasteful number, since it uses less digits than its factorization.

1444440222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26748904 (or 26748898 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 1444440222 is about 38005.7919533326. The cubic root of 1444440222 is about 1130.4027128599.

Adding to 1444440222 its reverse (2220444441), we get a palindrome (3664884663).

The spelling of 1444440222 in words is "one billion, four hundred forty-four million, four hundred forty thousand, two hundred twenty-two".