4220384045 has 18 divisors (see below), whose sum is σ = 5383044222. Its totient is φ = 3175841536.

The previous prime is 4220384041. The next prime is 4220384053. The reversal of 4220384045 is 5404830224.

It can be written as a sum of positive squares in 9 ways, for example, as 988347844 + 3232036201 = 31438^2 + 56851^2 .

It is not a de Polignac number, because 4220384045 - 2² = 4220384041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220384041) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2468651 + ... + 2470359.

Almost surely, 2^4220384045 is an apocalyptic number.

It is an amenable number.

4220384045 is a deficient number, since it is larger than the sum of its proper divisors (1162660177).

4220384045 is an frugal number, since it uses more digits than its factorization.

4220384045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 4220384045 is about 64964.4829503014. The cubic root of 4220384045 is about 1616.0346094532.

The spelling of 4220384045 in words is "four billion, two hundred twenty million, three hundred eighty-four thousand, forty-five".