22066220426 has 8 divisors (see below), whose sum is σ = 33107603040. Its totient is φ = 11030352748.

The previous prime is 22066220419. The next prime is 22066220467. The reversal of 22066220426 is 62402266022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×22066220426³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22066220392 and 22066220401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368716 + ... + 1384743.

It is an arithmetic number, because the mean of its divisors is an integer number (4138450380).

Almost surely, 2^22066220426 is an apocalyptic number.

22066220426 is a deficient number, since it is larger than the sum of its proper divisors (11041382614).

22066220426 is a wasteful number, since it uses less digits than its factorization.

22066220426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757468.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 22066220426 its reverse (62402266022), we get a palindrome (84468486448).

The spelling of 22066220426 in words is "twenty-two billion, sixty-six million, two hundred twenty thousand, four hundred twenty-six".