4521822128 has 20 divisors (see below), whose sum is σ = 8762076840. Its totient is φ = 2260641024.

The previous prime is 4521822121. The next prime is 4521822169. The reversal of 4521822128 is 8212281254.

It is not an unprimeable number, because it can be changed into a prime (4521822121) 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, 236843 + ... + 255221.

It is an arithmetic number, because the mean of its divisors is an integer number (438103842).

Almost surely, 2^4521822128 is an apocalyptic number.

It is an amenable number.

4521822128 is a deficient number, since it is larger than the sum of its proper divisors (4240254712).

4521822128 is a wasteful number, since it uses less digits than its factorization.

4521822128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33764 (or 33758 counting only the distinct ones).

The product of its digits is 20480, while the sum is 35.

The square root of 4521822128 is about 67244.4951501608. The cubic root of 4521822128 is about 1653.6280288227.

The spelling of 4521822128 in words is "four billion, five hundred twenty-one million, eight hundred twenty-two thousand, one hundred twenty-eight".