300039922081 has 9 divisors (see below), whose sum is σ = 303218701299. Its totient is φ = 296894142144.

The previous prime is 300039922079. The next prime is 300039922099. The reversal of 300039922081 is 180229930003.

The square root of 300039922081 is 547759.

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

It can be written as a sum of positive squares in only one way, i.e., 134729373025 + 165310549056 = 367055^2 + 406584^2 .

It is not a de Polignac number, because 300039922081 - 2¹ = 300039922079 is a prime.

It is a super-2 number, since 2×300039922081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 300039922081.

It is not an unprimeable number, because it can be changed into a prime (300039922381) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 53129800 + ... + 53135446.

It is an arithmetic number, because the mean of its divisors is an integer number (33690966811).

Almost surely, 2^300039922081 is an apocalyptic number.

300039922081 is the 547759-th square number.

300039922081 is the 273880-th centered octagonal number.

It is an amenable number.

300039922081 is a deficient number, since it is larger than the sum of its proper divisors (3178779218).

300039922081 is an frugal number, since it uses more digits than its factorization.

300039922081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11488 (or 5744 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 300039922081 in words is "three hundred billion, thirty-nine million, nine hundred twenty-two thousand, eighty-one".