4221284845 has 8 divisors (see below), whose sum is σ = 5183345376. Its totient is φ = 3298492176.

The previous prime is 4221284843. The next prime is 4221284857. The reversal of 4221284845 is 5484821224.

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 4221284845 - 2¹ = 4221284843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4221284798 and 4221284807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221284843) 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, 9816727 + ... + 9817156.

It is an arithmetic number, because the mean of its divisors is an integer number (647918172).

Almost surely, 2^4221284845 is an apocalyptic number.

It is an amenable number.

4221284845 is a deficient number, since it is larger than the sum of its proper divisors (962060531).

4221284845 is a wasteful number, since it uses less digits than its factorization.

4221284845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19633931.

The product of its digits is 163840, while the sum is 40.

The square root of 4221284845 is about 64971.4155994773. The cubic root of 4221284845 is about 1616.1495769067.

The spelling of 4221284845 in words is "four billion, two hundred twenty-one million, two hundred eighty-four thousand, eight hundred forty-five".