80622280 has 16 divisors (see below), whose sum is σ = 181400220. Its totient is φ = 32248896.

The previous prime is 80622271. The next prime is 80622281. The reversal of 80622280 is 8222608.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77475204 + 3147076 = 8802^2 + 1774^2 .

It is not an unprimeable number, because it can be changed into a prime (80622281) 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, 1007739 + ... + 1007818.

Almost surely, 2^80622280 is an apocalyptic number.

It is an amenable number.

80622280 is an abundant number, since it is smaller than the sum of its proper divisors (100777940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80622280 is a wasteful number, since it uses less digits than its factorization.

80622280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015568 (or 2015564 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 80622280 is about 8978.9910346319. The cubic root of 80622280 is about 432.0012717155.

Adding to 80622280 its reverse (8222608), we get a palindrome (88844888).

The spelling of 80622280 in words is "eighty million, six hundred twenty-two thousand, two hundred eighty".