4035221 has 8 divisors (see below), whose sum is σ = 4127424. Its totient is φ = 3944160.

The previous prime is 4035217. The next prime is 4035223. The reversal of 4035221 is 1225304.

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 4035221 - 2² = 4035217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4035221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4035223) 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, 12026 + ... + 12356.

It is an arithmetic number, because the mean of its divisors is an integer number (515928).

Almost surely, 2^4035221 is an apocalyptic number.

It is an amenable number.

4035221 is a deficient number, since it is larger than the sum of its proper divisors (92203).

4035221 is a wasteful number, since it uses less digits than its factorization.

4035221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 4035221 is about 2008.7859517629. The cubic root of 4035221 is about 159.2046597838.

The spelling of 4035221 in words is "four million, thirty-five thousand, two hundred twenty-one".