26668226 has 32 divisors (see below), whose sum is σ = 45102960. Its totient is φ = 11741184.

The previous prime is 26668217. The next prime is 26668237. The reversal of 26668226 is 62286662.

It can be written as a sum of positive squares in 8 ways, for example, as 156025 + 26512201 = 395^2 + 5149^2 .

It is a super-2 number, since 2×26668226² = 1422388555974152, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26668226.

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 15 ways as a sum of consecutive naturals, for example, 85046 + ... + 85358.

Almost surely, 2^26668226 is an apocalyptic number.

26668226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

26668226 is a deficient number, since it is larger than the sum of its proper divisors (18434734).

26668226 is a wasteful number, since it uses less digits than its factorization.

26668226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470.

The product of its digits is 82944, while the sum is 38.

The square root of 26668226 is about 5164.1287745369. The cubic root of 26668226 is about 298.7661396601.

The spelling of 26668226 in words is "twenty-six million, six hundred sixty-eight thousand, two hundred twenty-six".