4014221 has 4 divisors (see below), whose sum is σ = 4143744. Its totient is φ = 3884700.

The previous prime is 4014217. The next prime is 4014229. The reversal of 4014221 is 1224104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4014221 - 2² = 4014217 is a prime.

It is a super-2 number, since 2×4014221² = 32227940473682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4014196 and 4014205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4014229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64715 + ... + 64776.

It is an arithmetic number, because the mean of its divisors is an integer number (1035936).

Almost surely, 2^4014221 is an apocalyptic number.

It is an amenable number.

4014221 is a deficient number, since it is larger than the sum of its proper divisors (129523).

4014221 is a wasteful number, since it uses less digits than its factorization.

4014221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129522.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 4014221 is about 2003.5520956541. The cubic root of 4014221 is about 158.9280029509.

Adding to 4014221 its reverse (1224104), we get a palindrome (5238325).

The spelling of 4014221 in words is "four million, fourteen thousand, two hundred twenty-one".