26404022 has 4 divisors (see below), whose sum is σ = 39606036. Its totient is φ = 13202010.

The previous prime is 26404019. The next prime is 26404039. The reversal of 26404022 is 22040462.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 26403985 and 26404003.

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 as a sum of consecutive naturals, namely, 6601004 + ... + 6601007.

It is an arithmetic number, because the mean of its divisors is an integer number (9901509).

Almost surely, 2^26404022 is an apocalyptic number.

26404022 is a deficient number, since it is larger than the sum of its proper divisors (13202014).

26404022 is a wasteful number, since it uses less digits than its factorization.

26404022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13202013.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 26404022 is about 5138.4844069044. The cubic root of 26404022 is about 297.7762309743.

Adding to 26404022 its reverse (22040462), we get a palindrome (48444484).

It can be divided in two parts, 2640402 and 2, that multiplied together give a square (5280804 = 2298²).

The spelling of 26404022 in words is "twenty-six million, four hundred four thousand, twenty-two".