26222666428205 has 16 divisors (see below), whose sum is σ = 33888843730560. Its totient is φ = 19363807626048.

The previous prime is 26222666428177. The next prime is 26222666428223. The reversal of 26222666428205 is 50282466622262.

It is a cyclic number.

It is not a de Polignac number, because 26222666428205 - 2⁸ = 26222666427949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4448327 + ... + 8498996.

It is an arithmetic number, because the mean of its divisors is an integer number (2118052733160).

Almost surely, 2^{26222666428205} is an apocalyptic number.

It is an amenable number.

26222666428205 is a deficient number, since it is larger than the sum of its proper divisors (7666177302355).

26222666428205 is a wasteful number, since it uses less digits than its factorization.

26222666428205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12978500.

The product of its (nonzero) digits is 13271040, while the sum is 53.

The spelling of 26222666428205 in words is "twenty-six trillion, two hundred twenty-two billion, six hundred sixty-six million, four hundred twenty-eight thousand, two hundred five".