26222636 has 36 divisors (see below), whose sum is σ = 53424504. Its totient is φ = 11214720.

The previous prime is 26222627. The next prime is 26222671. The reversal of 26222636 is 63622262.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26222599 and 26222608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6635 + ... + 9821.

It is an arithmetic number, because the mean of its divisors is an integer number (1484014).

Almost surely, 2^26222636 is an apocalyptic number.

It is an amenable number.

26222636 is an abundant number, since it is smaller than the sum of its proper divisors (27201868).

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

26222636 is a wasteful number, since it uses less digits than its factorization.

26222636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230 (or 3217 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

The square root of 26222636 is about 5120.8042337117. The cubic root of 26222636 is about 297.0927922220.

Adding to 26222636 its reverse (63622262), we get a palindrome (89844898).

It can be divided in two parts, 262226 and 36, that added together give a palindrome (262262).

The spelling of 26222636 in words is "twenty-six million, two hundred twenty-two thousand, six hundred thirty-six".