26215422 has 16 divisors (see below), whose sum is σ = 52619520. Its totient is φ = 8707032.

The previous prime is 26215393. The next prime is 26215447. The reversal of 26215422 is 22451262.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26215392 and 26215401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6022 + ... + 9417.

It is an arithmetic number, because the mean of its divisors is an integer number (3288720).

Almost surely, 2^26215422 is an apocalyptic number.

26215422 is an abundant number, since it is smaller than the sum of its proper divisors (26404098).

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

26215422 is a wasteful number, since it uses less digits than its factorization.

26215422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15727.

The product of its digits is 1920, while the sum is 24.

The square root of 26215422 is about 5120.0998037148. The cubic root of 26215422 is about 297.0655457371.

Adding to 26215422 its reverse (22451262), we get a palindrome (48666684).

The spelling of 26215422 in words is "twenty-six million, two hundred fifteen thousand, four hundred twenty-two".