82912226 has 4 divisors (see below), whose sum is σ = 124368342. Its totient is φ = 41456112.

The previous prime is 82912211. The next prime is 82912229. The reversal of 82912226 is 62221928.

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., 56235001 + 26677225 = 7499^2 + 5165^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82912192 and 82912201.

It is not an unprimeable number, because it can be changed into a prime (82912229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20728055 + ... + 20728058.

Almost surely, 2^82912226 is an apocalyptic number.

82912226 is a deficient number, since it is larger than the sum of its proper divisors (41456116).

82912226 is a wasteful number, since it uses less digits than its factorization.

82912226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41456115.

The product of its digits is 6912, while the sum is 32.

The square root of 82912226 is about 9105.6150808169. The cubic root of 82912226 is about 436.0532472914.

It can be divided in two parts, 82912 and 226, that added together give a palindrome (83138).

The spelling of 82912226 in words is "eighty-two million, nine hundred twelve thousand, two hundred twenty-six".