4228819 has 8 divisors (see below), whose sum is σ = 4848480. Its totient is φ = 3613056.

The previous prime is 4228813. The next prime is 4228837. The reversal of 4228819 is 9188224.

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

It is a cyclic number.

It is not a de Polignac number, because 4228819 - 2⁵ = 4228787 is a prime.

It is a super-2 number, since 2×4228819² = 35765820269522, which contains 22 as substring.

It is an Ulam number.

4228819 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4228813) 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, 1947 + ... + 3499.

It is an arithmetic number, because the mean of its divisors is an integer number (606060).

Almost surely, 2^4228819 is an apocalyptic number.

4228819 is a deficient number, since it is larger than the sum of its proper divisors (619661).

4228819 is a wasteful number, since it uses less digits than its factorization.

4228819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its digits is 9216, while the sum is 34.

The square root of 4228819 is about 2056.4092491525. The cubic root of 4228819 is about 161.7110507439.

The spelling of 4228819 in words is "four million, two hundred twenty-eight thousand, eight hundred nineteen".