22066888287 has 32 divisors (see below), whose sum is σ = 31566392320. Its totient is φ = 13670363520.

The previous prime is 22066888273. The next prime is 22066888289. The reversal of 22066888287 is 78288866022.

It is not a de Polignac number, because 22066888287 - 2⁴ = 22066888271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066888289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1267413 + ... + 1284705.

It is an arithmetic number, because the mean of its divisors is an integer number (986449760).

Almost surely, 2^22066888287 is an apocalyptic number.

22066888287 is a deficient number, since it is larger than the sum of its proper divisors (9499504033).

22066888287 is a wasteful number, since it uses less digits than its factorization.

22066888287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17743.

The product of its (nonzero) digits is 8257536, while the sum is 57.

The spelling of 22066888287 in words is "twenty-two billion, sixty-six million, eight hundred eighty-eight thousand, two hundred eighty-seven".