4528422304081 has 27 divisors (see below), whose sum is σ = 5209510812051. Its totient is φ = 3933786365184.

The previous prime is 4528422304067. The next prime is 4528422304117. The reversal of 4528422304081 is 1804032248254.

The square root of 4528422304081 is 2128009.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 173688064081 + 4354734240000 = 416759^2 + 2086800^2 .

It is not a de Polignac number, because 4528422304081 - 2¹⁹ = 4528421779793 is a prime.

It is a super-2 number, since 2×4528422304081² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4528422304181) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 470285175 + ... + 470294803.

Almost surely, 2^{4528422304081} is an apocalyptic number.

4528422304081 is the 2128009-th square number.

4528422304081 is the 1064005-th centered octagonal number.

It is an amenable number.

4528422304081 is a deficient number, since it is larger than the sum of its proper divisors (681088507970).

4528422304081 is an frugal number, since it uses more digits than its factorization.

4528422304081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19318 (or 9659 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 43.

The spelling of 4528422304081 in words is "four trillion, five hundred twenty-eight billion, four hundred twenty-two million, three hundred four thousand, eighty-one".