4892221 has 8 divisors (see below), whose sum is σ = 5009760. Its totient is φ = 4775952.

The previous prime is 4892207. The next prime is 4892257. The reversal of 4892221 is 1222984.

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 4892221 - 2⁵ = 4892189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4892221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4892201) 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, 16551 + ... + 16843.

It is an arithmetic number, because the mean of its divisors is an integer number (626220).

Almost surely, 2^4892221 is an apocalyptic number.

It is an amenable number.

4892221 is a deficient number, since it is larger than the sum of its proper divisors (117539).

4892221 is a wasteful number, since it uses less digits than its factorization.

4892221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635.

The product of its digits is 2304, while the sum is 28.

The square root of 4892221 is about 2211.8365671993. The cubic root of 4892221 is about 169.7599958108.

The spelling of 4892221 in words is "four million, eight hundred ninety-two thousand, two hundred twenty-one".