4228949 has 8 divisors (see below), whose sum is σ = 4320000. Its totient is φ = 4138992.

The previous prime is 4228907. The next prime is 4228951. The reversal of 4228949 is 9498224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4228949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228979) 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, 15587 + ... + 15855.

It is an arithmetic number, because the mean of its divisors is an integer number (540000).

Almost surely, 2^4228949 is an apocalyptic number.

It is an amenable number.

4228949 is a deficient number, since it is larger than the sum of its proper divisors (91051).

4228949 is a wasteful number, since it uses less digits than its factorization.

4228949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547.

The product of its digits is 41472, while the sum is 38.

The square root of 4228949 is about 2056.4408574039. The cubic root of 4228949 is about 161.7127078040.

The spelling of 4228949 in words is "four million, two hundred twenty-eight thousand, nine hundred forty-nine".