22022212011 has 8 divisors (see below), whose sum is σ = 29538776064. Its totient is φ = 14593561320.

The previous prime is 22022211989. The next prime is 22022212013. The reversal of 22022212011 is 11021222022.

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

It is not a de Polignac number, because 22022212011 - 2¹⁷ = 22022080939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22022212013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21977755 + ... + 21978756.

It is an arithmetic number, because the mean of its divisors is an integer number (3692347008).

Almost surely, 2^22022212011 is an apocalyptic number.

22022212011 is a deficient number, since it is larger than the sum of its proper divisors (7516564053).

22022212011 is a wasteful number, since it uses less digits than its factorization.

22022212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43956681.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22022212011 its reverse (11021222022), we get a palindrome (33043434033).

The spelling of 22022212011 in words is "twenty-two billion, twenty-two million, two hundred twelve thousand, eleven".