26221332 has 24 divisors (see below), whose sum is σ = 61308576. Its totient is φ = 8722528.

The previous prime is 26221297. The next prime is 26221333. The reversal of 26221332 is 23312262.

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

It is a junction number, because it is equal to n+sod(n) for n = 26221299 and 26221308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26221333) 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, 4723 + ... + 8645.

It is an arithmetic number, because the mean of its divisors is an integer number (2554524).

Almost surely, 2^26221332 is an apocalyptic number.

It is an amenable number.

26221332 is an abundant number, since it is smaller than the sum of its proper divisors (35087244).

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

26221332 is a wasteful number, since it uses less digits than its factorization.

26221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487 (or 4485 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 26221332 is about 5120.6769083784. The cubic root of 26221332 is about 297.0878675274.

Adding to 26221332 its reverse (23312262), we get a palindrome (49533594).

The spelling of 26221332 in words is "twenty-six million, two hundred twenty-one thousand, three hundred thirty-two".