26220005 has 8 divisors (see below), whose sum is σ = 35958912. Its totient is φ = 17979408.

The previous prime is 26219993. The next prime is 26220011. The reversal of 26220005 is 50002262.

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

It is a cyclic number.

It is not a de Polignac number, because 26220005 - 2¹⁴ = 26203621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374537 + ... + 374606.

It is an arithmetic number, because the mean of its divisors is an integer number (4494864).

Almost surely, 2^26220005 is an apocalyptic number.

It is an amenable number.

26220005 is a deficient number, since it is larger than the sum of its proper divisors (9738907).

26220005 is an equidigital number, since it uses as much as digits as its factorization.

26220005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749155.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 26220005 is about 5120.5473340259. The cubic root of 26220005 is about 297.0828558032.

Adding to 26220005 its reverse (50002262), we get a palindrome (76222267).

The spelling of 26220005 in words is "twenty-six million, two hundred twenty thousand, five".