4228385 has 8 divisors (see below), whose sum is σ = 5798976. Its totient is φ = 2899440.

The previous prime is 4228381. The next prime is 4228387. The reversal of 4228385 is 5838224.

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

It is not a de Polignac number, because 4228385 - 2² = 4228381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4228381) 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, 60371 + ... + 60440.

It is an arithmetic number, because the mean of its divisors is an integer number (724872).

Almost surely, 2^4228385 is an apocalyptic number.

It is an amenable number.

4228385 is a deficient number, since it is larger than the sum of its proper divisors (1570591).

4228385 is a wasteful number, since it uses less digits than its factorization.

4228385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120823.

The product of its digits is 15360, while the sum is 32.

The square root of 4228385 is about 2056.3037227025. The cubic root of 4228385 is about 161.7055184667.

The spelling of 4228385 in words is "four million, two hundred twenty-eight thousand, three hundred eighty-five".