4672221 has 4 divisors (see below), whose sum is σ = 6229632. Its totient is φ = 3114812.

The previous prime is 4672201. The next prime is 4672231. The reversal of 4672221 is 1222764.

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 4672221 - 2⁵ = 4672189 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 4672191 and 4672200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4672201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778701 + ... + 778706.

It is an arithmetic number, because the mean of its divisors is an integer number (1557408).

Almost surely, 2^4672221 is an apocalyptic number.

It is an amenable number.

4672221 is a deficient number, since it is larger than the sum of its proper divisors (1557411).

4672221 is a wasteful number, since it uses less digits than its factorization.

4672221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557410.

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

The square root of 4672221 is about 2161.5320955285. The cubic root of 4672221 is about 167.1762037554.

Adding to 4672221 its reverse (1222764), we get a palindrome (5894985).

The spelling of 4672221 in words is "four million, six hundred seventy-two thousand, two hundred twenty-one".