26220855 has 16 divisors (see below), whose sum is σ = 44161920. Its totient is φ = 13248288.

The previous prime is 26220847. The next prime is 26220881. The reversal of 26220855 is 55802262.

It is not a de Polignac number, because 26220855 - 2³ = 26220847 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 45717 + ... + 46286.

It is an arithmetic number, because the mean of its divisors is an integer number (2760120).

Almost surely, 2^26220855 is an apocalyptic number.

26220855 is a deficient number, since it is larger than the sum of its proper divisors (17941065).

26220855 is a wasteful number, since it uses less digits than its factorization.

26220855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92030.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 26220855 is about 5120.6303322931. The cubic root of 26220855 is about 297.0860660454.

The spelling of 26220855 in words is "twenty-six million, two hundred twenty thousand, eight hundred fifty-five".