4666222421 has 16 divisors (see below), whose sum is σ = 5478240000. Its totient is φ = 3972732624.

The previous prime is 4666222397. The next prime is 4666222427. The reversal of 4666222421 is 1242226664.

It is not a de Polignac number, because 4666222421 - 2¹⁰ = 4666221397 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 (4666222427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5456 + ... + 96758.

It is an arithmetic number, because the mean of its divisors is an integer number (342390000).

Almost surely, 2^4666222421 is an apocalyptic number.

It is an amenable number.

4666222421 is a deficient number, since it is larger than the sum of its proper divisors (812017579).

4666222421 is an equidigital number, since it uses as much as digits as its factorization.

4666222421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91473 (or 91459 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 4666222421 is about 68309.7534836717. The cubic root of 4666222421 is about 1671.0462829273.

The spelling of 4666222421 in words is "four billion, six hundred sixty-six million, two hundred twenty-two thousand, four hundred twenty-one".