4228394215 has 4 divisors (see below), whose sum is σ = 5074073064. Its totient is φ = 3382715368.

The previous prime is 4228394161. The next prime is 4228394237. The reversal of 4228394215 is 5124938224.

4228394215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4228394215 - 2¹³ = 4228386023 is a prime.

It is a Duffinian 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, 422839417 + ... + 422839426.

It is an arithmetic number, because the mean of its divisors is an integer number (1268518266).

Almost surely, 2^4228394215 is an apocalyptic number.

4228394215 is a deficient number, since it is larger than the sum of its proper divisors (845678849).

4228394215 is an equidigital number, since it uses as much as digits as its factorization.

4228394215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845678848.

The product of its digits is 138240, while the sum is 40.

The square root of 4228394215 is about 65026.1041044287. The cubic root of 4228394215 is about 1617.0563593594.

The spelling of 4228394215 in words is "four billion, two hundred twenty-eight million, three hundred ninety-four thousand, two hundred fifteen".