26222563 has 4 divisors (see below), whose sum is σ = 26232808. Its totient is φ = 26212320.

The previous prime is 26222513. The next prime is 26222591. The reversal of 26222563 is 36522262.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26222563 - 2⁹ = 26222051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26222513) 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, 2395 + ... + 7627.

It is an arithmetic number, because the mean of its divisors is an integer number (6558202).

Almost surely, 2^26222563 is an apocalyptic number.

26222563 is a deficient number, since it is larger than the sum of its proper divisors (10245).

26222563 is an equidigital number, since it uses as much as digits as its factorization.

26222563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10244.

The product of its digits is 8640, while the sum is 28.

The square root of 26222563 is about 5120.7971059201. The cubic root of 26222563 is about 297.0925165341.

The spelling of 26222563 in words is "twenty-six million, two hundred twenty-two thousand, five hundred sixty-three".