782226 has 12 divisors (see below), whose sum is σ = 1694862. Its totient is φ = 260736.

The previous prime is 782219. The next prime is 782231. The reversal of 782226 is 622287.

It can be written as a sum of positive squares in only one way, i.e., 641601 + 140625 = 801^2 + 375^2 .

It is a super-2 number, since 2×782226² = 1223755030152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 782226.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 782226.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 21711 + ... + 21746.

2⁷⁸²²²⁶ is an apocalyptic number.

782226 is an abundant number, since it is smaller than the sum of its proper divisors (912636).

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

782226 is a wasteful number, since it uses less digits than its factorization.

782226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43465 (or 43462 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 782226 is about 884.4354131309. The cubic root of 782226 is about 92.1391247297.

It can be divided in two parts, 78 and 2226, that added together give a square (2304 = 48²).

The spelling of 782226 in words is "seven hundred eighty-two thousand, two hundred twenty-six".