4221667548 has 54 divisors (see below), whose sum is σ = 12198908904. Its totient is φ = 1205896032.

The previous prime is 4221667543. The next prime is 4221667553. The reversal of 4221667548 is 8457661224.

4221667548 is a `hidden beast` number, since 42 + 2 + 1 + 6 + 67 + 548 = 666.

It is an interprime number because it is at equal distance from previous prime (4221667543) and next prime (4221667553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221667543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1029390 + ... + 1033482.

Almost surely, 2^4221667548 is an apocalyptic number.

It is an amenable number.

4221667548 is an abundant number, since it is smaller than the sum of its proper divisors (7977241356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4221667548 is an equidigital number, since it uses as much as digits as its factorization.

4221667548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8203 (or 4105 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 4221667548 is about 64974.3606971242. The cubic root of 4221667548 is about 1616.1984156389.

The spelling of 4221667548 in words is "four billion, two hundred twenty-one million, six hundred sixty-seven thousand, five hundred forty-eight".