22102222009 has 8 divisors (see below), whose sum is σ = 25847117120. Its totient is φ = 18504185616.

The previous prime is 22102221991. The next prime is 22102222033. The reversal of 22102222009 is 90022220122.

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

It is not a de Polignac number, because 22102222009 - 2¹³ = 22102213817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102222069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36714354 + ... + 36714955.

It is an arithmetic number, because the mean of its divisors is an integer number (3230889640).

Almost surely, 2^22102222009 is an apocalyptic number.

It is an amenable number.

22102222009 is a deficient number, since it is larger than the sum of its proper divisors (3744895111).

22102222009 is an equidigital number, since it uses as much as digits as its factorization.

22102222009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73429359.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 22102222009 in words is "twenty-two billion, one hundred two million, two hundred twenty-two thousand, nine".