26226431 has 24 divisors (see below), whose sum is σ = 33838464. Its totient is φ = 19736640.

The previous prime is 26226419. The next prime is 26226433. The reversal of 26226431 is 13462262.

It is not a de Polignac number, because 26226431 - 2¹⁴ = 26210047 is a prime.

It is a super-2 number, since 2×26226431² = 1375651365995522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26226431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26226433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294635 + ... + 294723.

It is an arithmetic number, because the mean of its divisors is an integer number (1409936).

Almost surely, 2^26226431 is an apocalyptic number.

26226431 is a deficient number, since it is larger than the sum of its proper divisors (7612033).

26226431 is an equidigital number, since it uses as much as digits as its factorization.

26226431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 150 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 26226431 is about 5121.1747675704. The cubic root of 26226431 is about 297.1071235140.

Adding to 26226431 its reverse (13462262), we get a palindrome (39688693).

The spelling of 26226431 in words is "twenty-six million, two hundred twenty-six thousand, four hundred thirty-one".