26212224 has 32 divisors (see below), whose sum is σ = 69627240. Its totient is φ = 8737280.

The previous prime is 26212217. The next prime is 26212247. The reversal of 26212224 is 42221262.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 26212224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33747 + ... + 34514.

Almost surely, 2^26212224 is an apocalyptic number.

26212224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26212224 is an abundant number, since it is smaller than the sum of its proper divisors (43415016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26212224 is an equidigital number, since it uses as much as digits as its factorization.

26212224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68278 (or 68266 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 26212224 is about 5119.7874955900. The cubic root of 26212224 is about 297.0534656436.

Adding to 26212224 its reverse (42221262), we get a palindrome (68433486).

The spelling of 26212224 in words is "twenty-six million, two hundred twelve thousand, two hundred twenty-four".