4996221 has 32 divisors (see below), whose sum is σ = 7587840. Its totient is φ = 2908224.

The previous prime is 4996169. The next prime is 4996223. The reversal of 4996221 is 1226994.

It is not a de Polignac number, because 4996221 - 2⁹ = 4995709 is a prime.

4996221 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4996223) 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 31 ways as a sum of consecutive naturals, for example, 48456 + ... + 48558.

It is an arithmetic number, because the mean of its divisors is an integer number (237120).

Almost surely, 2^4996221 is an apocalyptic number.

It is an amenable number.

4996221 is a deficient number, since it is larger than the sum of its proper divisors (2591619).

4996221 is a wasteful number, since it uses less digits than its factorization.

4996221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185.

The product of its digits is 7776, while the sum is 33.

The square root of 4996221 is about 2235.2228076861. Note that the first 3 decimals coincide. The cubic root of 4996221 is about 170.9545038158.

The spelling of 4996221 in words is "four million, nine hundred ninety-six thousand, two hundred twenty-one".