80228306281 has 4 divisors (see below), whose sum is σ = 80284293972. Its totient is φ = 80172318592.

The previous prime is 80228306239. The next prime is 80228306287. The reversal of 80228306281 is 18260382208.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61243875625 + 18984430656 = 247475^2 + 137784^2 .

It is a cyclic number.

It is not a de Polignac number, because 80228306281 - 2¹³ = 80228298089 is a prime.

It is a super-2 number, since 2×80228306281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80228306287) 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, 27991696 + ... + 27994561.

It is an arithmetic number, because the mean of its divisors is an integer number (20071073493).

Almost surely, 2^80228306281 is an apocalyptic number.

It is an amenable number.

80228306281 is a deficient number, since it is larger than the sum of its proper divisors (55987691).

80228306281 is a wasteful number, since it uses less digits than its factorization.

80228306281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55987690.

The product of its (nonzero) digits is 73728, while the sum is 40.

Adding to 80228306281 its reverse (18260382208), we get a palindrome (98488688489).

The spelling of 80228306281 in words is "eighty billion, two hundred twenty-eight million, three hundred six thousand, two hundred eighty-one".