22212110018 has 64 divisors (see below), whose sum is σ = 41432801280. Its totient is φ = 8724419280.

The previous prime is 22212110017. The next prime is 22212110033. The reversal of 22212110018 is 81001121222.

It is not an unprimeable number, because it can be changed into a prime (22212110017) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7923005 + ... + 7925807.

It is an arithmetic number, because the mean of its divisors is an integer number (647387520).

Almost surely, 2^22212110018 is an apocalyptic number.

22212110018 is a deficient number, since it is larger than the sum of its proper divisors (19220691262).

22212110018 is an equidigital number, since it uses as much as digits as its factorization.

22212110018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 22212110018 in words is "twenty-two billion, two hundred twelve million, one hundred ten thousand, eighteen".