22026226666 has 16 divisors (see below), whose sum is σ = 33373486080. Its totient is φ = 10901919600.

The previous prime is 22026226639. The next prime is 22026226679. The reversal of 22026226666 is 66662262022.

It is a super-2 number, since 2×22026226666² (a number of 21 digits) contains 22 as substring.

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, 190491 + ... + 283441.

It is an arithmetic number, because the mean of its divisors is an integer number (2085842880).

Almost surely, 2^22026226666 is an apocalyptic number.

22026226666 is a deficient number, since it is larger than the sum of its proper divisors (11347259414).

22026226666 is a wasteful number, since it uses less digits than its factorization.

22026226666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94149.

The product of its (nonzero) digits is 248832, while the sum is 40.

Adding to 22026226666 its reverse (66662262022), we get a palindrome (88688488688).

The spelling of 22026226666 in words is "twenty-two billion, twenty-six million, two hundred twenty-six thousand, six hundred sixty-six".