4228394165 has 8 divisors (see below), whose sum is σ = 5197831128. Its totient is φ = 3300209920.

The previous prime is 4228394161. The next prime is 4228394237. The reversal of 4228394165 is 5614938224.

It can be written as a sum of positive squares in 4 ways, for example, as 104571076 + 4123823089 = 10226^2 + 64217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4228394165 - 2² = 4228394161 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 (4228394161) 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, 10312952 + ... + 10313361.

It is an arithmetic number, because the mean of its divisors is an integer number (649728891).

Almost surely, 2^4228394165 is an apocalyptic number.

It is an amenable number.

4228394165 is a deficient number, since it is larger than the sum of its proper divisors (969436963).

4228394165 is a wasteful number, since it uses less digits than its factorization.

4228394165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20626359.

The product of its digits is 414720, while the sum is 44.

The square root of 4228394165 is about 65026.1037199677. The cubic root of 4228394165 is about 1617.0563529856.

The spelling of 4228394165 in words is "four billion, two hundred twenty-eight million, three hundred ninety-four thousand, one hundred sixty-five".