26221422 has 8 divisors (see below), whose sum is σ = 52442856. Its totient is φ = 8740472.

The previous prime is 26221411. The next prime is 26221471. The reversal of 26221422 is 22412262.

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

26221422 is an admirable number.

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, 2185113 + ... + 2185124.

It is an arithmetic number, because the mean of its divisors is an integer number (6555357).

Almost surely, 2^26221422 is an apocalyptic number.

26221422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26221422 is a wasteful number, since it uses less digits than its factorization.

26221422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370242.

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

The square root of 26221422 is about 5120.6856962715. The cubic root of 26221422 is about 297.0882074272.

Adding to 26221422 its reverse (22412262), we get a palindrome (48633684).

The spelling of 26221422 in words is "twenty-six million, two hundred twenty-one thousand, four hundred twenty-two".