4221024 has 24 divisors (see below), whose sum is σ = 11080440. Its totient is φ = 1406976.

The previous prime is 4221011. The next prime is 4221031. The reversal of 4221024 is 4201224.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 4220994 and 4221012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21889 + ... + 22080.

It is an arithmetic number, because the mean of its divisors is an integer number (461685).

Almost surely, 2^4221024 is an apocalyptic number.

It is an amenable number.

4221024 is an abundant number, since it is smaller than the sum of its proper divisors (6859416).

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

4221024 is a wasteful number, since it uses less digits than its factorization.

4221024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43982 (or 43974 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4221024 is about 2054.5130810000. The cubic root of 4221024 is about 161.6116287420.

Adding to 4221024 its reverse (4201224), we get a palindrome (8422248).

The spelling of 4221024 in words is "four million, two hundred twenty-one thousand, twenty-four".