1444022120 has 32 divisors (see below), whose sum is σ = 3251209320. Its totient is φ = 577224960.

The previous prime is 1444022117. The next prime is 1444022147. The reversal of 1444022120 is 212204441.

It can be written as a sum of positive squares in 4 ways, for example, as 1275489796 + 168532324 = 35714^2 + 12982^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1444022092 and 1444022101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53330 + ... + 75710.

Almost surely, 2^1444022120 is an apocalyptic number.

1444022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444022120 is an abundant number, since it is smaller than the sum of its proper divisors (1807187200).

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

1444022120 is a wasteful number, since it uses less digits than its factorization.

1444022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24005 (or 24001 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1444022120 is about 38000.2910515170. The cubic root of 1444022120 is about 1130.2936350233.

Adding to 1444022120 its reverse (212204441), we get a palindrome (1656226561).

The spelling of 1444022120 in words is "one billion, four hundred forty-four million, twenty-two thousand, one hundred twenty".