22090000009 has 64 divisors (see below), whose sum is σ = 29486592000. Its totient is φ = 16040344320.

The previous prime is 22090000007. The next prime is 22090000027. The reversal of 22090000009 is 90000009022.

It is not a de Polignac number, because 22090000009 - 2¹ = 22090000007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22090000007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14735742 + ... + 14737240.

It is an arithmetic number, because the mean of its divisors is an integer number (460728000).

Almost surely, 2^22090000009 is an apocalyptic number.

It is an amenable number.

22090000009 is a deficient number, since it is larger than the sum of its proper divisors (7396591991).

22090000009 is a wasteful number, since it uses less digits than its factorization.

22090000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750.

The product of its (nonzero) digits is 324, while the sum is 22.

It can be divided in two parts, 2209000000 and 9, that multiplied together give a square (19881000000 = 141000²).

The spelling of 22090000009 in words is "twenty-two billion, ninety million, nine", and thus it is an aban number and an uban number.