27782256226 has 16 divisors (see below), whose sum is σ = 42778812384. Its totient is φ = 13524717024.

The previous prime is 27782256223. The next prime is 27782256253. The reversal of 27782256226 is 62265228772.

It is a super-2 number, since 2×27782256226² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27782256226.

It is not an unprimeable number, because it can be changed into a prime (27782256223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489136 + ... + 542971.

It is an arithmetic number, because the mean of its divisors is an integer number (2673675774).

Almost surely, 2^27782256226 is an apocalyptic number.

27782256226 is a deficient number, since it is larger than the sum of its proper divisors (14996556158).

27782256226 is a wasteful number, since it uses less digits than its factorization.

27782256226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032465.

The product of its digits is 2257920, while the sum is 49.

The spelling of 27782256226 in words is "twenty-seven billion, seven hundred eighty-two million, two hundred fifty-six thousand, two hundred twenty-six".