4228490 has 32 divisors (see below), whose sum is σ = 9002880. Its totient is φ = 1399104.

The previous prime is 4228489. The next prime is 4228501. The reversal of 4228490 is 948224.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989 + ... + 3071.

It is an arithmetic number, because the mean of its divisors is an integer number (281340).

Almost surely, 2^4228490 is an apocalyptic number.

4228490 is an abundant number, since it is smaller than the sum of its proper divisors (4774390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4228490 is a wasteful number, since it uses less digits than its factorization.

4228490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 4228490 is about 2056.3292537918. The cubic root of 4228490 is about 161.7068569556.

The spelling of 4228490 in words is "four million, two hundred twenty-eight thousand, four hundred ninety".