4958221 has 4 divisors (see below), whose sum is σ = 5219200. Its totient is φ = 4697244.

The previous prime is 4958209. The next prime is 4958227. The reversal of 4958221 is 1228594.

4958221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1228594 = 2 ⋅614297.

It is a cyclic number.

It is not a de Polignac number, because 4958221 - 2⁵ = 4958189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4958227) 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, 130461 + ... + 130498.

It is an arithmetic number, because the mean of its divisors is an integer number (1304800).

Almost surely, 2^4958221 is an apocalyptic number.

It is an amenable number.

4958221 is a deficient number, since it is larger than the sum of its proper divisors (260979).

4958221 is a wasteful number, since it uses less digits than its factorization.

4958221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260978.

The product of its digits is 5760, while the sum is 31.

The square root of 4958221 is about 2226.7063120223. The cubic root of 4958221 is about 170.5199880248.

The spelling of 4958221 in words is "four million, nine hundred fifty-eight thousand, two hundred twenty-one".