26424223 has 4 divisors (see below), whose sum is σ = 30199120. Its totient is φ = 22649328.

The previous prime is 26424173. The next prime is 26424227. The reversal of 26424223 is 32242462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26424223 is a prime.

It is a super-2 number, since 2×26424223² = 1396479122307458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26424227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1887438 + ... + 1887451.

It is an arithmetic number, because the mean of its divisors is an integer number (7549780).

Almost surely, 2^26424223 is an apocalyptic number.

26424223 is a deficient number, since it is larger than the sum of its proper divisors (3774897).

26424223 is an equidigital number, since it uses as much as digits as its factorization.

26424223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774896.

The product of its digits is 4608, while the sum is 25.

The square root of 26424223 is about 5140.4496885000. The cubic root of 26424223 is about 297.8521517845.

Adding to 26424223 its reverse (32242462), we get a palindrome (58666685).

The spelling of 26424223 in words is "twenty-six million, four hundred twenty-four thousand, two hundred twenty-three".