4430220345 has 64 divisors (see below), whose sum is σ = 8106439680. Its totient is φ = 2293920000.

The previous prime is 4430220341. The next prime is 4430220413. The reversal of 4430220345 is 5430220344.

4430220345 is a `hidden beast` number, since 4 + 430 + 220 + 3 + 4 + 5 = 666.

It is not a de Polignac number, because 4430220345 - 2² = 4430220341 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (4430220341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3750655 + ... + 3751835.

It is an arithmetic number, because the mean of its divisors is an integer number (126663120).

Almost surely, 2^4430220345 is an apocalyptic number.

4430220345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4430220345 is a deficient number, since it is larger than the sum of its proper divisors (3676219335).

4430220345 is a wasteful number, since it uses less digits than its factorization.

4430220345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983 (or 1977 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 4430220345 is about 66559.9004281106. The cubic root of 4430220345 is about 1642.3855261017.

Adding to 4430220345 its reverse (5430220344), we get a palindrome (9860440689).

Subtracting 4430220345 from its reverse (5430220344), we obtain a palindrome (999999999).

The spelling of 4430220345 in words is "four billion, four hundred thirty million, two hundred twenty thousand, three hundred forty-five".