22212302091 has 16 divisors (see below), whose sum is σ = 33855115008. Its totient is φ = 12689820000.

The previous prime is 22212302071. The next prime is 22212302117. The reversal of 22212302091 is 19020321222.

It is not a de Polignac number, because 22212302091 - 2¹¹ = 22212300043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212302011) 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 15 ways as a sum of consecutive naturals, for example, 26785 + ... + 212466.

It is an arithmetic number, because the mean of its divisors is an integer number (2115944688).

Almost surely, 2^22212302091 is an apocalyptic number.

22212302091 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22212302091 is a deficient number, since it is larger than the sum of its proper divisors (11642812917).

22212302091 is a wasteful number, since it uses less digits than its factorization.

22212302091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243682.

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 22212302091 in words is "twenty-two billion, two hundred twelve million, three hundred two thousand, ninety-one".