1443820224 has 224 divisors, whose sum is σ = 4843832832. Its totient is φ = 368640000.

The previous prime is 1443820219. The next prime is 1443820249. The reversal of 1443820224 is 4220283441.

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 1443820191 and 1443820200.

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, 901024 + ... + 902624.

Almost surely, 2^1443820224 is an apocalyptic number.

1443820224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1443820224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2421916416).

1443820224 is an abundant number, since it is smaller than the sum of its proper divisors (3400012608).

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

1443820224 is a wasteful number, since it uses less digits than its factorization.

1443820224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 1443820224 is about 37997.6344526867. The cubic root of 1443820224 is about 1130.2409552209.

The spelling of 1443820224 in words is "one billion, four hundred forty-three million, eight hundred twenty thousand, two hundred twenty-four".