4294221 has 8 divisors (see below), whose sum is σ = 5755200. Its totient is φ = 2848032.

The previous prime is 4294207. The next prime is 4294223. The reversal of 4294221 is 1224924.

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

It is not a de Polignac number, because 4294221 - 2⁵ = 4294189 is a prime.

4294221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4294191 and 4294200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4294223) 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, 3000 + ... + 4193.

It is an arithmetic number, because the mean of its divisors is an integer number (719400).

Almost surely, 2^4294221 is an apocalyptic number.

It is an amenable number.

4294221 is a deficient number, since it is larger than the sum of its proper divisors (1460979).

4294221 is a wasteful number, since it uses less digits than its factorization.

4294221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7395.

The product of its digits is 1152, while the sum is 24.

The square root of 4294221 is about 2072.2502262034. The cubic root of 4294221 is about 162.5404522565.

The spelling of 4294221 in words is "four million, two hundred ninety-four thousand, two hundred twenty-one".