26224421 has 8 divisors (see below), whose sum is σ = 27872280. Its totient is φ = 24588288.

The previous prime is 26224417. The next prime is 26224423. The reversal of 26224421 is 12442262.

It can be written as a sum of positive squares in 4 ways, for example, as 923521 + 25300900 = 961^2 + 5030^2 .

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 26224421 - 2² = 26224417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26224423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1925 + ... + 7493.

It is an arithmetic number, because the mean of its divisors is an integer number (3484035).

Almost surely, 2^26224421 is an apocalyptic number.

It is an amenable number.

26224421 is a deficient number, since it is larger than the sum of its proper divisors (1647859).

26224421 is a wasteful number, since it uses less digits than its factorization.

26224421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863.

The product of its digits is 1536, while the sum is 23.

The square root of 26224421 is about 5120.9785197753. The cubic root of 26224421 is about 297.0995331996.

Adding to 26224421 its reverse (12442262), we get a palindrome (38666683).

The spelling of 26224421 in words is "twenty-six million, two hundred twenty-four thousand, four hundred twenty-one".