26881422 has 16 divisors (see below), whose sum is σ = 53834112. Its totient is φ = 8948600.

The previous prime is 26881417. The next prime is 26881469. The reversal of 26881422 is 22418862.

It is a happy number.

It is a super-2 number, since 2×26881422² = 1445221697484168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2797 + ... + 7847.

It is an arithmetic number, because the mean of its divisors is an integer number (3364632).

Almost surely, 2^26881422 is an apocalyptic number.

26881422 is an abundant number, since it is smaller than the sum of its proper divisors (26952690).

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

26881422 is a wasteful number, since it uses less digits than its factorization.

26881422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943.

The product of its digits is 12288, while the sum is 33.

The square root of 26881422 is about 5184.7296940149. The cubic root of 26881422 is about 299.5601777252.

The spelling of 26881422 in words is "twenty-six million, eight hundred eighty-one thousand, four hundred twenty-two".