26612205222 has 16 divisors (see below), whose sum is σ = 53436462912. Its totient is φ = 8835393000.

The previous prime is 26612205143. The next prime is 26612205247. The reversal of 26612205222 is 22250221662.

It is a self number, because there is not a number n which added to its sum of digits gives 26612205222.

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, 8833888 + ... + 8836899.

It is an arithmetic number, because the mean of its divisors is an integer number (3339778932).

Almost surely, 2^26612205222 is an apocalyptic number.

26612205222 is an abundant number, since it is smaller than the sum of its proper divisors (26824257690).

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

26612205222 is a wasteful number, since it uses less digits than its factorization.

26612205222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17671043.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 26612205222 its reverse (22250221662), we get a palindrome (48862426884).

The spelling of 26612205222 in words is "twenty-six billion, six hundred twelve million, two hundred five thousand, two hundred twenty-two".