4228805385 has 48 divisors (see below), whose sum is σ = 8398840320. Its totient is φ = 1928142720.

The previous prime is 4228805381. The next prime is 4228805411. The reversal of 4228805385 is 5835088224.

4228805385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4228805385 - 2² = 4228805381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4228805385.

It is not an unprimeable number, because it can be changed into a prime (4228805381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105280 + ... + 139790.

It is an arithmetic number, because the mean of its divisors is an integer number (174975840).

Almost surely, 2^4228805385 is an apocalyptic number.

4228805385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4228805385 is a deficient number, since it is larger than the sum of its proper divisors (4170034935).

4228805385 is a wasteful number, since it uses less digits than its factorization.

4228805385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34918 (or 34915 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The square root of 4228805385 is about 65029.2656040340. The cubic root of 4228805385 is about 1617.1087719680.

The spelling of 4228805385 in words is "four billion, two hundred twenty-eight million, eight hundred five thousand, three hundred eighty-five".