80718226 has 4 divisors (see below), whose sum is σ = 121077342. Its totient is φ = 40359112.

The previous prime is 80718221. The next prime is 80718233. The reversal of 80718226 is 62281708.

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

It can be written as a sum of positive squares in only one way, i.e., 62647225 + 18071001 = 7915^2 + 4251^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80718191 and 80718200.

It is not an unprimeable number, because it can be changed into a prime (80718221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20179555 + ... + 20179558.

Almost surely, 2^80718226 is an apocalyptic number.

80718226 is a deficient number, since it is larger than the sum of its proper divisors (40359116).

80718226 is a wasteful number, since it uses less digits than its factorization.

80718226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40359115.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 80718226 is about 8984.3322512026. The cubic root of 80718226 is about 432.1725740841.

The spelling of 80718226 in words is "eighty million, seven hundred eighteen thousand, two hundred twenty-six".