26806222 has 8 divisors (see below), whose sum is σ = 40234176. Its totient is φ = 13394832.

The previous prime is 26806217. The next prime is 26806223. The reversal of 26806222 is 22260862.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26806223) 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 in 3 ways as a sum of consecutive naturals, for example, 1378 + ... + 7450.

It is an arithmetic number, because the mean of its divisors is an integer number (5029272).

Almost surely, 2^26806222 is an apocalyptic number.

26806222 is a deficient number, since it is larger than the sum of its proper divisors (13427954).

26806222 is a wasteful number, since it uses less digits than its factorization.

26806222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 26806222 is about 5177.4725494202. The cubic root of 26806222 is about 299.2805798650.

It can be divided in two parts, 26806 and 222, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 26806222 in words is "twenty-six million, eight hundred six thousand, two hundred twenty-two".