82239226 has 8 divisors (see below), whose sum is σ = 123985620. Its totient is φ = 40910688.

The previous prime is 82239221. The next prime is 82239247. The reversal of 82239226 is 62293228.

It can be written as a sum of positive squares in 2 ways, for example, as 67223601 + 15015625 = 8199^2 + 3875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 82239191 and 82239200.

It is not an unprimeable number, because it can be changed into a prime (82239221) 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, 103971 + ... + 104758.

Almost surely, 2^82239226 is an apocalyptic number.

82239226 is a deficient number, since it is larger than the sum of its proper divisors (41746394).

82239226 is a wasteful number, since it uses less digits than its factorization.

82239226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208928.

The product of its digits is 20736, while the sum is 34.

The square root of 82239226 is about 9068.5845643077. The cubic root of 82239226 is about 434.8702233204.

The spelling of 82239226 in words is "eighty-two million, two hundred thirty-nine thousand, two hundred twenty-six".