26223421 has 8 divisors (see below), whose sum is σ = 30666944. Its totient is φ = 21954240.

The previous prime is 26223413. The next prime is 26223437. The reversal of 26223421 is 12432262.

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

It is not a de Polignac number, because 26223421 - 2³ = 26223413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26223392 and 26223401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26223481) by changing a digit.

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, 43260 + ... + 43861.

It is an arithmetic number, because the mean of its divisors is an integer number (3833368).

Almost surely, 2^26223421 is an apocalyptic number.

It is an amenable number.

26223421 is a deficient number, since it is larger than the sum of its proper divisors (4443523).

26223421 is an equidigital number, since it uses as much as digits as its factorization.

26223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87171.

The product of its digits is 1152, while the sum is 22.

The square root of 26223421 is about 5120.8808812547. The cubic root of 26223421 is about 297.0957567792.

Adding to 26223421 its reverse (12432262), we get a palindrome (38655683).

The spelling of 26223421 in words is "twenty-six million, two hundred twenty-three thousand, four hundred twenty-one".