4228725365 has 4 divisors (see below), whose sum is σ = 5074470444. Its totient is φ = 3382980288.

The previous prime is 4228725353. The next prime is 4228725409. The reversal of 4228725365 is 5635278224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 914881009 + 3313844356 = 30247^2 + 57566^2 .

It is a cyclic number.

It is not a de Polignac number, because 4228725365 - 2¹² = 4228721269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422872532 + ... + 422872541.

It is an arithmetic number, because the mean of its divisors is an integer number (1268617611).

Almost surely, 2^4228725365 is an apocalyptic number.

It is an amenable number.

4228725365 is a deficient number, since it is larger than the sum of its proper divisors (845745079).

4228725365 is an equidigital number, since it uses as much as digits as its factorization.

4228725365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845745078.

The product of its digits is 806400, while the sum is 44.

The square root of 4228725365 is about 65028.6503396772. The cubic root of 4228725365 is about 1617.0985719353.

The spelling of 4228725365 in words is "four billion, two hundred twenty-eight million, seven hundred twenty-five thousand, three hundred sixty-five".