4627221 has 8 divisors (see below), whose sum is σ = 6261984. Its totient is φ = 3038640.

The previous prime is 4627201. The next prime is 4627223. The reversal of 4627221 is 1227264.

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

It is not a de Polignac number, because 4627221 - 2¹³ = 4619029 is a prime.

It is a super-2 number, since 2×4627221² = 42822348365682, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4627191 and 4627200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4627223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11310 + ... + 11711.

It is an arithmetic number, because the mean of its divisors is an integer number (782748).

Almost surely, 2^4627221 is an apocalyptic number.

It is an amenable number.

4627221 is a deficient number, since it is larger than the sum of its proper divisors (1634763).

4627221 is a wasteful number, since it uses less digits than its factorization.

4627221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23091.

The product of its digits is 1344, while the sum is 24.

The square root of 4627221 is about 2151.0976267943. The cubic root of 4627221 is about 166.6377580972.

The spelling of 4627221 in words is "four million, six hundred twenty-seven thousand, two hundred twenty-one".